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121875852 = 22371450903
BaseRepresentation
bin1110100001110…
…10110110001100
322111022221020110
413100322312030
5222200011402
620032120020
73006633120
oct720726614
9274287213
10121875852
116288314a
1234996010
131c3329b7
1412287580
15aa7656c
hex743ad8c

121875852 has 24 divisors (see below), whose sum is σ = 325002496. Its totient is φ = 34821648.

The previous prime is 121875847. The next prime is 121875857. The reversal of 121875852 is 258578121.

It is an interprime number because it is at equal distance from previous prime (121875847) and next prime (121875857).

It is a self number, because there is not a number n which added to its sum of digits gives 121875852.

It is not an unprimeable number, because it can be changed into a prime (121875857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725368 + ... + 725535.

Almost surely, 2121875852 is an apocalyptic number.

121875852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121875852 is an abundant number, since it is smaller than the sum of its proper divisors (203126644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121875852 is a wasteful number, since it uses less digits than its factorization.

121875852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450917 (or 1450915 counting only the distinct ones).

The product of its digits is 44800, while the sum is 39.

The square root of 121875852 is about 11039.7396708437. The cubic root of 121875852 is about 495.7992760043.

The spelling of 121875852 in words is "one hundred twenty-one million, eight hundred seventy-five thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1450903 2901806 4352709 5803612 8705418 10156321 17410836 20312642 30468963 40625284 60937926 121875852