121276722 has 16 divisors (see below), whose sum is σ = 277204032. Its totient is φ = 34650480.

The previous prime is 121276721. The next prime is 121276739. The reversal of 121276722 is 227672121.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 121276722.

It is not an unprimeable number, because it can be changed into a prime (121276721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1443729 + ... + 1443812.

It is an arithmetic number, because the mean of its divisors is an integer number (17325252).

Almost surely, 2^121276722 is an apocalyptic number.

121276722 is an abundant number, since it is smaller than the sum of its proper divisors (155927310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121276722 is a wasteful number, since it uses less digits than its factorization.

121276722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887553.

The product of its digits is 4704, while the sum is 30.

The square root of 121276722 is about 11012.5710894414. The cubic root of 121276722 is about 494.9855071769.

The spelling of 121276722 in words is "one hundred twenty-one million, two hundred seventy-six thousand, seven hundred twenty-two".