102415090 has 16 divisors (see below), whose sum is σ = 192362688. Its totient is φ = 39184816.

The previous prime is 102415081. The next prime is 102415129. The reversal of 102415090 is 90514201.

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, 222412 + ... + 222871.

It is an arithmetic number, because the mean of its divisors is an integer number (12022668).

Almost surely, 2^102415090 is an apocalyptic number.

102415090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102415090 is a deficient number, since it is larger than the sum of its proper divisors (89947598).

102415090 is a wasteful number, since it uses less digits than its factorization.

102415090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445313.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 102415090 is about 10120.0340908517. The cubic root of 102415090 is about 467.8658179372.

Adding to 102415090 its reverse (90514201), we get a palindrome (192929291).

The spelling of 102415090 in words is "one hundred two million, four hundred fifteen thousand, ninety".