122454201531 has 8 divisors (see below), whose sum is σ = 163321416000. Its totient is φ = 81611560712.

The previous prime is 122454201511. The next prime is 122454201533. The reversal of 122454201531 is 135102454221.

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 122454201531 - 2⁷ = 122454201403 is a prime.

It is a super-2 number, since 2×122454201531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122454201533) 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, 6131781 + ... + 6151718.

It is an arithmetic number, because the mean of its divisors is an integer number (20415177000).

Almost surely, 2^122454201531 is an apocalyptic number.

122454201531 is a deficient number, since it is larger than the sum of its proper divisors (40867214469).

122454201531 is a wasteful number, since it uses less digits than its factorization.

122454201531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12286825.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 122454201531 its reverse (135102454221), we get a palindrome (257556655752).

The spelling of 122454201531 in words is "one hundred twenty-two billion, four hundred fifty-four million, two hundred one thousand, five hundred thirty-one".