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125004012 = 22371488143
BaseRepresentation
bin1110111001101…
…10100011101100
322201012212021020
413130312203230
5224000112022
620223134140
73045342120
oct734664354
9281185236
10125004012
116461a401
1235a44350
131cb89793
141285d580
15ae9335c
hex77368ec

125004012 has 24 divisors (see below), whose sum is σ = 333344256. Its totient is φ = 35715408.

The previous prime is 125003969. The next prime is 125004013. The reversal of 125004012 is 210400521.

It is a super-2 number, since 2×1250040122 = 31252006032192288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125003982 and 125004000.

It is not an unprimeable number, because it can be changed into a prime (125004013) 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, 743988 + ... + 744155.

It is an arithmetic number, because the mean of its divisors is an integer number (13889344).

Almost surely, 2125004012 is an apocalyptic number.

125004012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125004012 is an abundant number, since it is smaller than the sum of its proper divisors (208340244).

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

125004012 is a wasteful number, since it uses less digits than its factorization.

125004012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488157 (or 1488155 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 125004012 is about 11180.5193081538. The cubic root of 125004012 is about 500.0053492761.

Adding to 125004012 its reverse (210400521), we get a palindrome (335404533).

The spelling of 125004012 in words is "one hundred twenty-five million, four thousand, twelve".