1021870074 has 16 divisors (see below), whose sum is σ = 2061827712. Its totient is φ = 337608768.

The previous prime is 1021870061. The next prime is 1021870079. The reversal of 1021870074 is 4700781201.

It is not an unprimeable number, because it can be changed into a prime (1021870079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752914 + ... + 754269.

It is an arithmetic number, because the mean of its divisors is an integer number (128864232).

Almost surely, 2^1021870074 is an apocalyptic number.

1021870074 is an abundant number, since it is smaller than the sum of its proper divisors (1039957638).

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

1021870074 is a wasteful number, since it uses less digits than its factorization.

1021870074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507301.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 1021870074 is about 31966.7025825311. The cubic root of 1021870074 is about 1007.2375166484.

The spelling of 1021870074 in words is "one billion, twenty-one million, eight hundred seventy thousand, seventy-four".