120040251461 has 16 divisors (see below), whose sum is σ = 129612510720. Its totient is φ = 110516560320.

The previous prime is 120040251439. The next prime is 120040251517. The reversal of 120040251461 is 164152040021.

It is a cyclic number.

It is not a de Polignac number, because 120040251461 - 2¹⁰ = 120040250437 is a prime.

It is a super-2 number, since 2×120040251461² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120040251461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120040251161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25521836 + ... + 25526538.

It is an arithmetic number, because the mean of its divisors is an integer number (8100781920).

Almost surely, 2^120040251461 is an apocalyptic number.

It is an amenable number.

120040251461 is a deficient number, since it is larger than the sum of its proper divisors (9572259259).

120040251461 is a wasteful number, since it uses less digits than its factorization.

120040251461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9436.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 120040251461 its reverse (164152040021), we get a palindrome (284192291482).

The spelling of 120040251461 in words is "one hundred twenty billion, forty million, two hundred fifty-one thousand, four hundred sixty-one".