125534121082 has 4 divisors (see below), whose sum is σ = 188301181626. Its totient is φ = 62767060540.

The previous prime is 125534120993. The next prime is 125534121107. The reversal of 125534121082 is 280121435521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 280121435521 = 47 ⋅5960030543.

It can be written as a sum of positive squares in only one way, i.e., 80895305241 + 44638815841 = 284421^2 + 211279^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31383530269 + ... + 31383530272.

Almost surely, 2^125534121082 is an apocalyptic number.

125534121082 is a deficient number, since it is larger than the sum of its proper divisors (62767060544).

125534121082 is an equidigital number, since it uses as much as digits as its factorization.

125534121082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62767060543.

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 125534121082 in words is "one hundred twenty-five billion, five hundred thirty-four million, one hundred twenty-one thousand, eighty-two".