1068021402 has 16 divisors (see below), whose sum is σ = 2441191872. Its totient is φ = 305148960.

The previous prime is 1068021377. The next prime is 1068021403. The reversal of 1068021402 is 2041208601.

It is a super-2 number, since 2×1068021402² = 2281339430260091208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1068021403) 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, 12714499 + ... + 12714582.

It is an arithmetic number, because the mean of its divisors is an integer number (152574492).

Almost surely, 2^1068021402 is an apocalyptic number.

1068021402 is an abundant number, since it is smaller than the sum of its proper divisors (1373170470).

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

1068021402 is a wasteful number, since it uses less digits than its factorization.

1068021402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25429093.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1068021402 is about 32680.5967203783. The cubic root of 1068021402 is about 1022.1782878872.

The spelling of 1068021402 in words is "one billion, sixty-eight million, twenty-one thousand, four hundred two".