102530942 has 4 divisors (see below), whose sum is σ = 153796416. Its totient is φ = 51265470.

The previous prime is 102530933. The next prime is 102530977. The reversal of 102530942 is 249035201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25632734 + ... + 25632737.

It is an arithmetic number, because the mean of its divisors is an integer number (38449104).

Almost surely, 2^102530942 is an apocalyptic number.

102530942 is a deficient number, since it is larger than the sum of its proper divisors (51265474).

102530942 is an equidigital number, since it uses as much as digits as its factorization.

102530942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51265473.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 102530942 is about 10125.7563668103. The cubic root of 102530942 is about 468.0421681390.

The spelling of 102530942 in words is "one hundred two million, five hundred thirty thousand, nine hundred forty-two".