120125400664 has 16 divisors (see below), whose sum is σ = 227301505200. Its totient is φ = 59511665952.

The previous prime is 120125400653. The next prime is 120125400677. The reversal of 120125400664 is 466004521021.

It is a happy number.

It is a super-3 number, since 3×120125400664³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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, 68878372 + ... + 68880115.

It is an arithmetic number, because the mean of its divisors is an integer number (14206344075).

Almost surely, 2^120125400664 is an apocalyptic number.

It is an amenable number.

120125400664 is a deficient number, since it is larger than the sum of its proper divisors (107176104536).

120125400664 is a wasteful number, since it uses less digits than its factorization.

120125400664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137758602 (or 137758598 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 120125400664 its reverse (466004521021), we get a palindrome (586129921685).

The spelling of 120125400664 in words is "one hundred twenty billion, one hundred twenty-five million, four hundred thousand, six hundred sixty-four".