121961774 has 16 divisors (see below), whose sum is σ = 211314096. Its totient is φ = 52176000.

The previous prime is 121961767. The next prime is 121961809. The reversal of 121961774 is 477169121.

It is a congruent 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, 162677 + ... + 163424.

It is an arithmetic number, because the mean of its divisors is an integer number (13207131).

Almost surely, 2^121961774 is an apocalyptic number.

121961774 is a deficient number, since it is larger than the sum of its proper divisors (89352322).

121961774 is a wasteful number, since it uses less digits than its factorization.

121961774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326131.

The product of its digits is 21168, while the sum is 38.

The square root of 121961774 is about 11043.6304719055. The cubic root of 121961774 is about 495.9157608196.

The spelling of 121961774 in words is "one hundred twenty-one million, nine hundred sixty-one thousand, seven hundred seventy-four".