121269760 has 80 divisors (see below), whose sum is σ = 293838336. Its totient is φ = 47996928.

The previous prime is 121269751. The next prime is 121269763. The reversal of 121269760 is 67962121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121269763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324934 + ... + 325306.

Almost surely, 2^121269760 is an apocalyptic number.

121269760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121269760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146919168).

121269760 is an abundant number, since it is smaller than the sum of its proper divisors (172568576).

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

121269760 is an equidigital number, since it uses as much as digits as its factorization.

121269760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 121269760 is about 11012.2549915991. The cubic root of 121269760 is about 494.9760352987.

The spelling of 121269760 in words is "one hundred twenty-one million, two hundred sixty-nine thousand, seven hundred sixty".