120122623531 has 8 divisors (see below), whose sum is σ = 120680240400. Its totient is φ = 119565256608.

The previous prime is 120122623477. The next prime is 120122623553. The reversal of 120122623531 is 135326221021.

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 120122623531 - 2¹⁷ = 120122492459 is a prime.

It is a super-2 number, since 2×120122623531² (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 120122623531.

It is not an unprimeable number, because it can be changed into a prime (120122623591) 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, 937945 + ... + 1058293.

It is an arithmetic number, because the mean of its divisors is an integer number (15085030050).

Almost surely, 2^120122623531 is an apocalyptic number.

120122623531 is a deficient number, since it is larger than the sum of its proper divisors (557616869).

120122623531 is a wasteful number, since it uses less digits than its factorization.

120122623531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124973.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 120122623531 its reverse (135326221021), we get a palindrome (255448844552).

The spelling of 120122623531 in words is "one hundred twenty billion, one hundred twenty-two million, six hundred twenty-three thousand, five hundred thirty-one".