122743761 has 16 divisors (see below), whose sum is σ = 188857344. Its totient is φ = 69457104.

The previous prime is 122743729. The next prime is 122743783. The reversal of 122743761 is 167347221.

It is not a de Polignac number, because 122743761 - 2⁵ = 122743729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122743721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26211 + ... + 30536.

It is an arithmetic number, because the mean of its divisors is an integer number (11803584).

Almost surely, 2^122743761 is an apocalyptic number.

It is an amenable number.

122743761 is a deficient number, since it is larger than the sum of its proper divisors (66113583).

122743761 is a wasteful number, since it uses less digits than its factorization.

122743761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56860.

The product of its digits is 14112, while the sum is 33.

The square root of 122743761 is about 11078.9783373739. The cubic root of 122743761 is about 496.9733976560.

The spelling of 122743761 in words is "one hundred twenty-two million, seven hundred forty-three thousand, seven hundred sixty-one".