1020319974 has 48 divisors (see below), whose sum is σ = 2442521952. Its totient is φ = 306180864.

The previous prime is 1020319961. The next prime is 1020319999. The reversal of 1020319974 is 4799130201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65449 + ... + 79524.

It is an arithmetic number, because the mean of its divisors is an integer number (50885874).

Almost surely, 2^1020319974 is an apocalyptic number.

1020319974 is an abundant number, since it is smaller than the sum of its proper divisors (1422201978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020319974 is a wasteful number, since it uses less digits than its factorization.

1020319974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145021 (or 145018 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1020319974 is about 31942.4478398259. The cubic root of 1020319974 is about 1006.7279577368.

The spelling of 1020319974 in words is "one billion, twenty million, three hundred nineteen thousand, nine hundred seventy-four".