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125421124 = 2261514021
BaseRepresentation
bin1110111100111…
…00011001000100
322202000001102211
413132130121010
5224101433444
620240113204
73052030153
oct736343104
9282001384
10125421124
1164884824
1236005804
131cca45aa
141292b59a
15b026c34
hex779c644

125421124 has 12 divisors (see below), whose sum is σ = 223085548. Its totient is φ = 61682400.

The previous prime is 125421059. The next prime is 125421137. The reversal of 125421124 is 421124521.

It can be written as a sum of positive squares in 2 ways, for example, as 62694724 + 62726400 = 7918^2 + 7920^2 .

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 125421095 and 125421104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256767 + ... + 257254.

Almost surely, 2125421124 is an apocalyptic number.

It is an amenable number.

125421124 is a deficient number, since it is larger than the sum of its proper divisors (97664424).

125421124 is a wasteful number, since it uses less digits than its factorization.

125421124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514086 (or 514084 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 125421124 is about 11199.1572897250. The cubic root of 125421124 is about 500.5608692827.

Adding to 125421124 its reverse (421124521), we get a palindrome (546545645).

The spelling of 125421124 in words is "one hundred twenty-five million, four hundred twenty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 61 122 244 514021 1028042 2056084 31355281 62710562 125421124