102632542 has 4 divisors (see below), whose sum is σ = 153948816. Its totient is φ = 51316270.

The previous prime is 102632531. The next prime is 102632549. The reversal of 102632542 is 245236201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102632549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25658134 + ... + 25658137.

It is an arithmetic number, because the mean of its divisors is an integer number (38487204).

Almost surely, 2^102632542 is an apocalyptic number.

102632542 is a deficient number, since it is larger than the sum of its proper divisors (51316274).

102632542 is an equidigital number, since it uses as much as digits as its factorization.

102632542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51316273.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 102632542 is about 10130.7720337593. The cubic root of 102632542 is about 468.1967146101.

Adding to 102632542 its reverse (245236201), we get a palindrome (347868743).

The spelling of 102632542 in words is "one hundred two million, six hundred thirty-two thousand, five hundred forty-two".