102391150 has 24 divisors (see below), whose sum is σ = 190813680. Its totient is φ = 40877760.

The previous prime is 102391139. The next prime is 102391169. The reversal of 102391150 is 51193201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29191 + ... + 32509.

It is an arithmetic number, because the mean of its divisors is an integer number (7950570).

Almost surely, 2^102391150 is an apocalyptic number.

102391150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102391150 is a deficient number, since it is larger than the sum of its proper divisors (88422530).

102391150 is a wasteful number, since it uses less digits than its factorization.

102391150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948 (or 3943 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 102391150 is about 10118.8512193826. The cubic root of 102391150 is about 467.8293598315.

The spelling of 102391150 in words is "one hundred two million, three hundred ninety-one thousand, one hundred fifty".