121966045 has 8 divisors (see below), whose sum is σ = 148004280. Its totient is φ = 96476160.

The previous prime is 121966037. The next prime is 121966051. The reversal of 121966045 is 540669121.

It can be written as a sum of positive squares in 4 ways, for example, as 2304324 + 119661721 = 1518^2 + 10939^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121966045 - 2³ = 121966037 is a prime.

It is a super-2 number, since 2×121966045² = 29751432265884050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121966045.

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, 136596 + ... + 137485.

It is an arithmetic number, because the mean of its divisors is an integer number (18500535).

Almost surely, 2^121966045 is an apocalyptic number.

It is an amenable number.

121966045 is a deficient number, since it is larger than the sum of its proper divisors (26038235).

121966045 is an equidigital number, since it uses as much as digits as its factorization.

121966045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274175.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 121966045 is about 11043.8238395947. The cubic root of 121966045 is about 495.9215496047.

The spelling of 121966045 in words is "one hundred twenty-one million, nine hundred sixty-six thousand, forty-five".