1402260451 has 2 divisors, whose sum is σ = 1402260452. Its totient is φ = 1402260450.

The previous prime is 1402260449. The next prime is 1402260473. The reversal of 1402260451 is 1540622041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1402260451 - 2¹ = 1402260449 is a prime.

Together with 1402260449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1402266451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701130225 + 701130226.

It is an arithmetic number, because the mean of its divisors is an integer number (701130226).

Almost surely, 2^1402260451 is an apocalyptic number.

1402260451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402260451 is an equidigital number, since it uses as much as digits as its factorization.

1402260451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1402260451 is about 37446.7682317179. The cubic root of 1402260451 is about 1119.2906996485.

Adding to 1402260451 its reverse (1540622041), we get a palindrome (2942882492).

The spelling of 1402260451 in words is "one billion, four hundred two million, two hundred sixty thousand, four hundred fifty-one".