121560770 has 16 divisors (see below), whose sum is σ = 219777408. Its totient is φ = 48409200.

The previous prime is 121560737. The next prime is 121560787. The reversal of 121560770 is 77065121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24506 + ... + 29045.

It is an arithmetic number, because the mean of its divisors is an integer number (13736088).

Almost surely, 2^121560770 is an apocalyptic number.

121560770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121560770 is a deficient number, since it is larger than the sum of its proper divisors (98216638).

121560770 is a wasteful number, since it uses less digits than its factorization.

121560770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53785.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 121560770 is about 11025.4600811032. The cubic root of 121560770 is about 495.3716489285.

The spelling of 121560770 in words is "one hundred twenty-one million, five hundred sixty thousand, seven hundred seventy".