125102421242 has 8 divisors (see below), whose sum is σ = 189475512096. Its totient is φ = 61943917212.

The previous prime is 125102421233. The next prime is 125102421281. The reversal of 125102421242 is 242124201521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×125102421242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303646448 + ... + 303646859.

It is an arithmetic number, because the mean of its divisors is an integer number (23684439012).

Almost surely, 2^125102421242 is an apocalyptic number.

125102421242 is a deficient number, since it is larger than the sum of its proper divisors (64373090854).

125102421242 is a wasteful number, since it uses less digits than its factorization.

125102421242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607293412.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 125102421242 its reverse (242124201521), we get a palindrome (367226622763).

The spelling of 125102421242 in words is "one hundred twenty-five billion, one hundred two million, four hundred twenty-one thousand, two hundred forty-two".