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120421235 = 5112189477
BaseRepresentation
bin1110010110101…
…11101101110011
322101121000212202
413023113231303
5221311434420
615541013415
72661364214
oct713275563
9271530782
10120421235
1161a7a290
12343b426b
131bc4388c
1411dc940b
15a88a575
hex72d7b73

120421235 has 8 divisors (see below), whose sum is σ = 157642416. Its totient is φ = 87579040.

The previous prime is 120421211. The next prime is 120421241. The reversal of 120421235 is 532124021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120421235 - 210 = 120420211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094684 + ... + 1094793.

It is an arithmetic number, because the mean of its divisors is an integer number (19705302).

Almost surely, 2120421235 is an apocalyptic number.

120421235 is a deficient number, since it is larger than the sum of its proper divisors (37221181).

120421235 is a wasteful number, since it uses less digits than its factorization.

120421235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189493.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 120421235 is about 10973.6609661498. The cubic root of 120421235 is about 493.8188824477.

Adding to 120421235 its reverse (532124021), we get a palindrome (652545256).

The spelling of 120421235 in words is "one hundred twenty million, four hundred twenty-one thousand, two hundred thirty-five".

Divisors: 1 5 11 55 2189477 10947385 24084247 120421235