1602412021 has 16 divisors (see below), whose sum is σ = 1882586880. Its totient is φ = 1335121920.

The previous prime is 1602412003. The next prime is 1602412039. The reversal of 1602412021 is 1202142061.

It is an interprime number because it is at equal distance from previous prime (1602412003) and next prime (1602412039).

It is a cyclic number.

It is not a de Polignac number, because 1602412021 - 2²⁷ = 1468194293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1602412021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1602412121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362736 + ... + 367126.

It is an arithmetic number, because the mean of its divisors is an integer number (117661680).

Almost surely, 2^1602412021 is an apocalyptic number.

It is an amenable number.

1602412021 is a deficient number, since it is larger than the sum of its proper divisors (280174859).

1602412021 is a wasteful number, since it uses less digits than its factorization.

1602412021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5844.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1602412021 is about 40030.1389080777. The cubic root of 1602412021 is about 1170.1945328764.

Adding to 1602412021 its reverse (1202142061), we get a palindrome (2804554082).

The spelling of 1602412021 in words is "one billion, six hundred two million, four hundred twelve thousand, twenty-one".