121432970 has 8 divisors (see below), whose sum is σ = 218579364. Its totient is φ = 48573184.

The previous prime is 121432951. The next prime is 121432973. The reversal of 121432970 is 79234121.

It can be written as a sum of positive squares in 2 ways, for example, as 110733529 + 10699441 = 10523^2 + 3271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (121432973) 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, 6071639 + ... + 6071658.

Almost surely, 2^121432970 is an apocalyptic number.

121432970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121432970 is a deficient number, since it is larger than the sum of its proper divisors (97146394).

121432970 is a wasteful number, since it uses less digits than its factorization.

121432970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12143304.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 121432970 is about 11019.6628805059. The cubic root of 121432970 is about 495.1979890226.

The spelling of 121432970 in words is "one hundred twenty-one million, four hundred thirty-two thousand, nine hundred seventy".