1421031982 has 8 divisors (see below), whose sum is σ = 2140040952. Its totient is φ = 707685000.

The previous prime is 1421031973. The next prime is 1421032001. The reversal of 1421031982 is 2891301241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414869 + ... + 1415872.

It is an arithmetic number, because the mean of its divisors is an integer number (267505119).

Almost surely, 2^1421031982 is an apocalyptic number.

1421031982 is a deficient number, since it is larger than the sum of its proper divisors (719008970).

1421031982 is a wasteful number, since it uses less digits than its factorization.

1421031982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830994.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1421031982 is about 37696.5778552908. The cubic root of 1421031982 is about 1124.2630846752.

The spelling of 1421031982 in words is "one billion, four hundred twenty-one million, thirty-one thousand, nine hundred eighty-two".