1020748974 has 16 divisors (see below), whose sum is σ = 2333140608. Its totient is φ = 291642552.

The previous prime is 1020748943. The next prime is 1020748991. The reversal of 1020748974 is 4798470201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 24303547 = 1020748974 / (1 + 0 + 2 + 0 + 7 + 4 + 8 + 9 + 7 + 4).

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, 12151732 + ... + 12151815.

It is an arithmetic number, because the mean of its divisors is an integer number (145821288).

Almost surely, 2^1020748974 is an apocalyptic number.

1020748974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1020748974 is an abundant number, since it is smaller than the sum of its proper divisors (1312391634).

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

1020748974 is a wasteful number, since it uses less digits than its factorization.

1020748974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24303559.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 1020748974 is about 31949.1623364369. The cubic root of 1020748974 is about 1006.8690330168.

The spelling of 1020748974 in words is "one billion, twenty million, seven hundred forty-eight thousand, nine hundred seventy-four".