1334012421 has 32 divisors (see below), whose sum is σ = 2080235520. Its totient is φ = 744564096.

The previous prime is 1334012417. The next prime is 1334012473. The reversal of 1334012421 is 1242104331.

It is not a de Polignac number, because 1334012421 - 2² = 1334012417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1334012821) 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, 637545 + ... + 639633.

It is an arithmetic number, because the mean of its divisors is an integer number (65007360).

Almost surely, 2^1334012421 is an apocalyptic number.

It is an amenable number.

1334012421 is a deficient number, since it is larger than the sum of its proper divisors (746223099).

1334012421 is a wasteful number, since it uses less digits than its factorization.

1334012421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1334012421 is about 36524.1347741463. The cubic root of 1334012421 is about 1100.8292427565.

Adding to 1334012421 its reverse (1242104331), we get a palindrome (2576116752).

The spelling of 1334012421 in words is "one billion, three hundred thirty-four million, twelve thousand, four hundred twenty-one".