121946546 has 16 divisors (see below), whose sum is σ = 188357400. Its totient is φ = 59176320.

The previous prime is 121946519. The next prime is 121946551. The reversal of 121946546 is 645649121.

It can be written as a sum of positive squares in 4 ways, for example, as 118483225 + 3463321 = 10885^2 + 1861^2 .

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, 12380 + ... + 19928.

Almost surely, 2^121946546 is an apocalyptic number.

121946546 is a deficient number, since it is larger than the sum of its proper divisors (66410854).

121946546 is a wasteful number, since it uses less digits than its factorization.

121946546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7789.

The product of its digits is 51840, while the sum is 38.

The square root of 121946546 is about 11042.9410031929. The cubic root of 121946546 is about 495.8951201459.

The spelling of 121946546 in words is "one hundred twenty-one million, nine hundred forty-six thousand, five hundred forty-six".