102494490 has 32 divisors (see below), whose sum is σ = 281128320. Its totient is φ = 23427264.

The previous prime is 102494489. The next prime is 102494537. The reversal of 102494490 is 94494201.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243825 + ... + 244244.

It is an arithmetic number, because the mean of its divisors is an integer number (8785260).

Almost surely, 2^102494490 is an apocalyptic number.

102494490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102494490 is an abundant number, since it is smaller than the sum of its proper divisors (178633830).

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

102494490 is a wasteful number, since it uses less digits than its factorization.

102494490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488086.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 102494490 is about 10123.9562424973. The cubic root of 102494490 is about 467.9866951437.

The spelling of 102494490 in words is "one hundred two million, four hundred ninety-four thousand, four hundred ninety".