102540332 has 6 divisors (see below), whose sum is σ = 179445588. Its totient is φ = 51270164.

The previous prime is 102540313. The next prime is 102540367. The reversal of 102540332 is 233045201.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12817538 + ... + 12817545.

It is an arithmetic number, because the mean of its divisors is an integer number (29907598).

Almost surely, 2^102540332 is an apocalyptic number.

It is an amenable number.

102540332 is a deficient number, since it is larger than the sum of its proper divisors (76905256).

102540332 is a wasteful number, since it uses less digits than its factorization.

102540332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25635087 (or 25635085 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 102540332 is about 10126.2200252612. The cubic root of 102540332 is about 468.0564557992.

Adding to 102540332 its reverse (233045201), we get a palindrome (335585533).

The spelling of 102540332 in words is "one hundred two million, five hundred forty thousand, three hundred thirty-two".