121260726 has 20 divisors (see below), whose sum is σ = 271714212. Its totient is φ = 40420188.

The previous prime is 121260721. The next prime is 121260749. The reversal of 121260726 is 627062121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 121260726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121260721) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 374100 + ... + 374423.

Almost surely, 2^121260726 is an apocalyptic number.

121260726 is an abundant number, since it is smaller than the sum of its proper divisors (150453486).

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

121260726 is an equidigital number, since it uses as much as digits as its factorization.

121260726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748537 (or 748528 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 121260726 is about 11011.8448045729. The cubic root of 121260726 is about 494.9637439010.

The spelling of 121260726 in words is "one hundred twenty-one million, two hundred sixty thousand, seven hundred twenty-six".