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121027473 = 3371933703
BaseRepresentation
bin1110011011010…
…11101110010001
322102201211111000
413031223232101
5221440334343
620002012213
72666500530
oct715535621
9272654430
10121027473
1162353806
1234647069
131c0c67b8
1412106317
15a959ed3
hex736bb91

121027473 has 32 divisors (see below), whose sum is σ = 215705600. Its totient is φ = 65516688.

The previous prime is 121027463. The next prime is 121027519. The reversal of 121027473 is 374720121.

It is a happy number.

It is not a de Polignac number, because 121027473 - 24 = 121027457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121027433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13261 + ... + 20442.

It is an arithmetic number, because the mean of its divisors is an integer number (6740800).

Almost surely, 2121027473 is an apocalyptic number.

It is an amenable number.

121027473 is a deficient number, since it is larger than the sum of its proper divisors (94678127).

121027473 is a wasteful number, since it uses less digits than its factorization.

121027473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33738 (or 33732 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 121027473 is about 11001.2487018520. The cubic root of 121027473 is about 494.6461750625.

Adding to 121027473 its reverse (374720121), we get a palindrome (495747594).

The spelling of 121027473 in words is "one hundred twenty-one million, twenty-seven thousand, four hundred seventy-three".

Divisors: 1 3 7 9 19 21 27 57 63 133 171 189 399 513 1197 3591 33703 101109 235921 303327 640357 707763 909981 1921071 2123289 4482499 5763213 6369867 13447497 17289639 40342491 121027473