121457470 has 16 divisors (see below), whose sum is σ = 219192480. Its totient is φ = 48456544.

The previous prime is 121457437. The next prime is 121457491. The reversal of 121457470 is 74754121.

It is a congruent number.

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, 11722 + ... + 19501.

It is an arithmetic number, because the mean of its divisors is an integer number (13699530).

Almost surely, 2^121457470 is an apocalyptic number.

121457470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121457470 is a deficient number, since it is larger than the sum of its proper divisors (97735010).

121457470 is a wasteful number, since it uses less digits than its factorization.

121457470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31619.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 121457470 is about 11020.7744736929. The cubic root of 121457470 is about 495.2312900689.

The spelling of 121457470 in words is "one hundred twenty-one million, four hundred fifty-seven thousand, four hundred seventy".