102862540 has 24 divisors (see below), whose sum is σ = 235649232. Its totient is φ = 37404480.

The previous prime is 102862517. The next prime is 102862549. The reversal of 102862540 is 45268201.

It is a junction number, because it is equal to n+sod(n) for n = 102862499 and 102862508.

It is not an unprimeable number, because it can be changed into a prime (102862549) 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, 233559 + ... + 233998.

It is an arithmetic number, because the mean of its divisors is an integer number (9818718).

Almost surely, 2^102862540 is an apocalyptic number.

102862540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102862540 is an abundant number, since it is smaller than the sum of its proper divisors (132786692).

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

102862540 is a wasteful number, since it uses less digits than its factorization.

102862540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467577 (or 467575 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 102862540 is about 10142.1171359830. The cubic root of 102862540 is about 468.5461943048.

The spelling of 102862540 in words is "one hundred two million, eight hundred sixty-two thousand, five hundred forty".