122161737 has 4 divisors (see below), whose sum is σ = 162882320. Its totient is φ = 81441156.

The previous prime is 122161727. The next prime is 122161757. The reversal of 122161737 is 737161221.

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 de Polignac number, because none of the positive numbers 2^k-122161737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122161727) 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, 20360287 + ... + 20360292.

It is an arithmetic number, because the mean of its divisors is an integer number (40720580).

Almost surely, 2^122161737 is an apocalyptic number.

It is an amenable number.

122161737 is a deficient number, since it is larger than the sum of its proper divisors (40720583).

122161737 is an equidigital number, since it uses as much as digits as its factorization.

122161737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40720582.

The product of its digits is 3528, while the sum is 30.

The square root of 122161737 is about 11052.6800822244. The cubic root of 122161737 is about 496.1866398390.

The spelling of 122161737 in words is "one hundred twenty-two million, one hundred sixty-one thousand, seven hundred thirty-seven".