1427962021 has 16 divisors (see below), whose sum is σ = 1494028800. Its totient is φ = 1363262400.

The previous prime is 1427961961. The next prime is 1427962069. The reversal of 1427962021 is 1202697241.

It is a cyclic number.

It is not a de Polignac number, because 1427962021 - 2¹⁷ = 1427830949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427962421) 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, 908166 + ... + 909736.

It is an arithmetic number, because the mean of its divisors is an integer number (93376800).

Almost surely, 2^1427962021 is an apocalyptic number.

It is an amenable number.

1427962021 is a deficient number, since it is larger than the sum of its proper divisors (66066779).

1427962021 is a wasteful number, since it uses less digits than its factorization.

1427962021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1427962021 is about 37788.3847365827. The cubic root of 1427962021 is about 1126.0877107361.

The spelling of 1427962021 in words is "one billion, four hundred twenty-seven million, nine hundred sixty-two thousand, twenty-one".