122401554535513 has 4 divisors (see below), whose sum is σ = 133528968584208. Its totient is φ = 111274140486820.

The previous prime is 122401554535499. The next prime is 122401554535517. The reversal of 122401554535513 is 315535455104221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122401554535513 - 2³⁷ = 122264115582041 is a prime.

It is a super-2 number, since 2×122401554535513² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122401554535517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5563707024331 + ... + 5563707024352.

It is an arithmetic number, because the mean of its divisors is an integer number (33382242146052).

Almost surely, 2^{122401554535513} is an apocalyptic number.

It is an amenable number.

122401554535513 is a deficient number, since it is larger than the sum of its proper divisors (11127414048695).

122401554535513 is a wasteful number, since it uses less digits than its factorization.

122401554535513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11127414048694.

The product of its (nonzero) digits is 1800000, while the sum is 46.

The spelling of 122401554535513 in words is "one hundred twenty-two trillion, four hundred one billion, five hundred fifty-four million, five hundred thirty-five thousand, five hundred thirteen".