121612970 has 32 divisors (see below), whose sum is σ = 229049856. Its totient is φ = 46441600.

The previous prime is 121612961. The next prime is 121612993. The reversal of 121612970 is 79216121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16115 + ... + 22425.

It is an arithmetic number, because the mean of its divisors is an integer number (7157808).

Almost surely, 2^121612970 is an apocalyptic number.

121612970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121612970 is a deficient number, since it is larger than the sum of its proper divisors (107436886).

121612970 is a wasteful number, since it uses less digits than its factorization.

121612970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 121612970 is about 11027.8270751767. The cubic root of 121612970 is about 495.4425454292.

The spelling of 121612970 in words is "one hundred twenty-one million, six hundred twelve thousand, nine hundred seventy".