121266670 has 48 divisors (see below), whose sum is σ = 255153888. Its totient is φ = 41375040.

The previous prime is 121266667. The next prime is 121266679. The reversal of 121266670 is 76662121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121266679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128400 + ... + 129340.

It is an arithmetic number, because the mean of its divisors is an integer number (5315706).

Almost surely, 2^121266670 is an apocalyptic number.

121266670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121266670 is an abundant number, since it is smaller than the sum of its proper divisors (133887218).

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

121266670 is a wasteful number, since it uses less digits than its factorization.

121266670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 121266670 is about 11012.1146924648. The cubic root of 121266670 is about 494.9718312032.

The spelling of 121266670 in words is "one hundred twenty-one million, two hundred sixty-six thousand, six hundred seventy".