121473982 has 16 divisors (see below), whose sum is σ = 215422560. Its totient is φ = 50264928.

The previous prime is 121473967. The next prime is 121474043. The reversal of 121473982 is 289374121.

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, 149193 + ... + 150004.

It is an arithmetic number, because the mean of its divisors is an integer number (13463910).

Almost surely, 2^121473982 is an apocalyptic number.

121473982 is a deficient number, since it is larger than the sum of its proper divisors (93948578).

121473982 is a wasteful number, since it uses less digits than its factorization.

121473982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299235.

The product of its digits is 24192, while the sum is 37.

The square root of 121473982 is about 11021.5235788887. The cubic root of 121473982 is about 495.2537310889.

It can be divided in two parts, 12147 and 3982, that added together give a square (16129 = 127²).

The spelling of 121473982 in words is "one hundred twenty-one million, four hundred seventy-three thousand, nine hundred eighty-two".