122736511051828 has 6 divisors (see below), whose sum is σ = 214788894340706. Its totient is φ = 61368255525912.

The previous prime is 122736511051823. The next prime is 122736511051853. The reversal of 122736511051828 is 828150115637221.

It can be written as a sum of positive squares in only one way, i.e., 119733228983824 + 3003282068004 = 10942268^2 + 1732998^2 .

It is a super-2 number, since 2×122736511051828² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122736511051823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15342063881475 + ... + 15342063881482.

Almost surely, 2^{122736511051828} is an apocalyptic number.

It is an amenable number.

122736511051828 is a deficient number, since it is larger than the sum of its proper divisors (92052383288878).

122736511051828 is a wasteful number, since it uses less digits than its factorization.

122736511051828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30684127762961 (or 30684127762959 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 52.

The spelling of 122736511051828 in words is "one hundred twenty-two trillion, seven hundred thirty-six billion, five hundred eleven million, fifty-one thousand, eight hundred twenty-eight".