122040045531 has 12 divisors (see below), whose sum is σ = 177625716840. Its totient is φ = 80738960640.

The previous prime is 122040045509. The next prime is 122040045577. The reversal of 122040045531 is 135540040221.

122040045531 is a `hidden beast` number, since 1 + 2 + 204 + 0 + 0 + 455 + 3 + 1 = 666.

It is not a de Polignac number, because 122040045531 - 2¹⁵ = 122040012763 is a prime.

It is a super-2 number, since 2×122040045531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122040045495 and 122040045504.

It is not an unprimeable number, because it can be changed into a prime (122040045031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51754566 + ... + 51756923.

It is an arithmetic number, because the mean of its divisors is an integer number (14802143070).

Almost surely, 2^122040045531 is an apocalyptic number.

122040045531 is a deficient number, since it is larger than the sum of its proper divisors (55585671309).

122040045531 is a wasteful number, since it uses less digits than its factorization.

122040045531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103511626 (or 103511623 counting only the distinct ones).

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

Adding to 122040045531 its reverse (135540040221), we get a palindrome (257580085752).

The spelling of 122040045531 in words is "one hundred twenty-two billion, forty million, forty-five thousand, five hundred thirty-one".