102280692 has 12 divisors (see below), whose sum is σ = 238654976. Its totient is φ = 34093560.

The previous prime is 102280663. The next prime is 102280693. The reversal of 102280692 is 296082201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×102280692² = 20922679911997728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102280693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4261684 + ... + 4261707.

Almost surely, 2^102280692 is an apocalyptic number.

102280692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102280692 is an abundant number, since it is smaller than the sum of its proper divisors (136374284).

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

102280692 is a wasteful number, since it uses less digits than its factorization.

102280692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8523398 (or 8523396 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 102280692 is about 10113.3917159378. The cubic root of 102280692 is about 467.6610702582.

The spelling of 102280692 in words is "one hundred two million, two hundred eighty thousand, six hundred ninety-two".