1021473112 has 24 divisors (see below), whose sum is σ = 2089990260. Its totient is φ = 464169680.

The previous prime is 1021473091. The next prime is 1021473133. The reversal of 1021473112 is 2113741201.

It is a happy number.

1021473112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1021473091) and next prime (1021473133).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 298113 + ... + 301519.

Almost surely, 2^1021473112 is an apocalyptic number.

It is an amenable number.

1021473112 is an abundant number, since it is smaller than the sum of its proper divisors (1068517148).

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

1021473112 is an frugal number, since it uses more digits than its factorization.

1021473112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6831 (or 3420 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1021473112 is about 31960.4929874368. The cubic root of 1021473112 is about 1007.1070738408.

Multiplying 1021473112 by its sum of digits (22), we get a square (22472408464 = 149908²).

1021473112 divided by its sum of digits (22) gives a square (46430596 = 6814²).

The spelling of 1021473112 in words is "one billion, twenty-one million, four hundred seventy-three thousand, one hundred twelve".