4120425531 has 40 divisors (see below), whose sum is σ = 6377329200. Its totient is φ = 2648116800.

The previous prime is 4120425479. The next prime is 4120425553. The reversal of 4120425531 is 1355240214.

4120425531 is a `hidden beast` number, since 4 + 120 + 4 + 2 + 5 + 531 = 666.

It is not a de Polignac number, because 4120425531 - 2⁷ = 4120425403 is a prime.

It is a super-2 number, since 2×4120425531² = 33955813113033263922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4120425495 and 4120425504.

It is not an unprimeable number, because it can be changed into a prime (4120425571) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2467965 + ... + 2469633.

It is an arithmetic number, because the mean of its divisors is an integer number (159433230).

Almost surely, 2^4120425531 is an apocalyptic number.

4120425531 is a deficient number, since it is larger than the sum of its proper divisors (2256903669).

4120425531 is a wasteful number, since it uses less digits than its factorization.

4120425531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761 (or 2752 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 4120425531 is about 64190.5408218376. The cubic root of 4120425531 is about 1603.1741066726.

Adding to 4120425531 its reverse (1355240214), we get a palindrome (5475665745).

The spelling of 4120425531 in words is "four billion, one hundred twenty million, four hundred twenty-five thousand, five hundred thirty-one".