121673764 has 6 divisors (see below), whose sum is σ = 212929094. Its totient is φ = 60836880.

The previous prime is 121673737. The next prime is 121673803. The reversal of 121673764 is 467376121.

It can be written as a sum of positive squares in only one way, i.e., 119246400 + 2427364 = 10920^2 + 1558^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15209217 + ... + 15209224.

Almost surely, 2^121673764 is an apocalyptic number.

It is an amenable number.

121673764 is a deficient number, since it is larger than the sum of its proper divisors (91255330).

121673764 is a wasteful number, since it uses less digits than its factorization.

121673764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30418445 (or 30418443 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 121673764 is about 11030.5831214855. The cubic root of 121673764 is about 495.5250884796.

It can be divided in two parts, 12167 and 3764, that added together give a triangular number (15931 = T₁₇₈).

The spelling of 121673764 in words is "one hundred twenty-one million, six hundred seventy-three thousand, seven hundred sixty-four".