102563090 has 16 divisors (see below), whose sum is σ = 210987072. Its totient is φ = 35164464.

The previous prime is 102563081. The next prime is 102563117. The reversal of 102563090 is 90365201.

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, 732524 + ... + 732663.

It is an arithmetic number, because the mean of its divisors is an integer number (13186692).

Almost surely, 2^102563090 is an apocalyptic number.

102563090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102563090 is an abundant number, since it is smaller than the sum of its proper divisors (108423982).

102563090 is a wasteful number, since it uses less digits than its factorization.

102563090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465201.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 102563090 is about 10127.3436793663. The cubic root of 102563090 is about 468.0910803568.

The spelling of 102563090 in words is "one hundred two million, five hundred sixty-three thousand, ninety".