105087612 has 24 divisors (see below), whose sum is σ = 280233856. Its totient is φ = 30025008.

The previous prime is 105087601. The next prime is 105087637. The reversal of 105087612 is 216780501.

It is a super-2 number, since 2×105087612² = 22086812391725088, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 105087612.

It is a congruent 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, 625438 + ... + 625605.

Almost surely, 2^105087612 is an apocalyptic number.

105087612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105087612 is an abundant number, since it is smaller than the sum of its proper divisors (175146244).

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

105087612 is a wasteful number, since it uses less digits than its factorization.

105087612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251057 (or 1251055 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 105087612 is about 10251.2249024202. The cubic root of 105087612 is about 471.9005763486.

The spelling of 105087612 in words is "one hundred five million, eighty-seven thousand, six hundred twelve".