121980706 has 16 divisors (see below), whose sum is σ = 184955904. Its totient is φ = 60331824.

The previous prime is 121980689. The next prime is 121980713. The reversal of 121980706 is 607089121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142576 + ... + 143428.

It is an arithmetic number, because the mean of its divisors is an integer number (11559744).

Almost surely, 2^121980706 is an apocalyptic number.

121980706 is a deficient number, since it is larger than the sum of its proper divisors (62975198).

121980706 is a wasteful number, since it uses less digits than its factorization.

121980706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 121980706 is about 11044.4875843110. The cubic root of 121980706 is about 495.9414196555.

The spelling of 121980706 in words is "one hundred twenty-one million, nine hundred eighty thousand, seven hundred six".