1021016402 has 8 divisors (see below), whose sum is σ = 1750313856. Its totient is φ = 437578452.

The previous prime is 1021016389. The next prime is 1021016431. The reversal of 1021016402 is 2046101201.

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

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, 36464858 + ... + 36464885.

It is an arithmetic number, because the mean of its divisors is an integer number (218789232).

Almost surely, 2^1021016402 is an apocalyptic number.

1021016402 is a deficient number, since it is larger than the sum of its proper divisors (729297454).

1021016402 is an equidigital number, since it uses as much as digits as its factorization.

1021016402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72929752.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1021016402 is about 31953.3472737990. The cubic root of 1021016402 is about 1006.9569558614.

Adding to 1021016402 its reverse (2046101201), we get a palindrome (3067117603).

The spelling of 1021016402 in words is "one billion, twenty-one million, sixteen thousand, four hundred two".