1402032021 has 32 divisors (see below), whose sum is σ = 2139056640. Its totient is φ = 809694144.

The previous prime is 1402032001. The next prime is 1402032031. The reversal of 1402032021 is 1202302041.

It is not a de Polignac number, because 1402032021 - 2⁵ = 1402031989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402032001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70446 + ... + 88128.

It is an arithmetic number, because the mean of its divisors is an integer number (66845520).

Almost surely, 2^1402032021 is an apocalyptic number.

It is an amenable number.

1402032021 is a deficient number, since it is larger than the sum of its proper divisors (737024619).

1402032021 is a wasteful number, since it uses less digits than its factorization.

1402032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17825.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1402032021 is about 37443.7180445532. The cubic root of 1402032021 is about 1119.2299183914.

Adding to 1402032021 its reverse (1202302041), we get a palindrome (2604334062).

The spelling of 1402032021 in words is "one billion, four hundred two million, thirty-two thousand, twenty-one".