125362533421 has 8 divisors (see below), whose sum is σ = 129986791424. Its totient is φ = 120774544560.

The previous prime is 125362533409. The next prime is 125362533431. The reversal of 125362533421 is 124335263521.

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

It is a cyclic number.

It is not a de Polignac number, because 125362533421 - 2⁹ = 125362532909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125362533431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9060246 + ... + 9074071.

It is an arithmetic number, because the mean of its divisors is an integer number (16248348928).

Almost surely, 2^125362533421 is an apocalyptic number.

It is an amenable number.

125362533421 is a deficient number, since it is larger than the sum of its proper divisors (4624258003).

125362533421 is a wasteful number, since it uses less digits than its factorization.

125362533421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18134571.

The product of its digits is 129600, while the sum is 37.

Adding to 125362533421 its reverse (124335263521), we get a palindrome (249697796942).

The spelling of 125362533421 in words is "one hundred twenty-five billion, three hundred sixty-two million, five hundred thirty-three thousand, four hundred twenty-one".