1402421501 has 16 divisors (see below), whose sum is σ = 1530736704. Its totient is φ = 1277128704.

The previous prime is 1402421473. The next prime is 1402421507. The reversal of 1402421501 is 1051242041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1402421501 - 2⁶ = 1402421437 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 (1402421507) 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 in 15 ways as a sum of consecutive naturals, for example, 355526 + ... + 359448.

It is an arithmetic number, because the mean of its divisors is an integer number (95671044).

Almost surely, 2^1402421501 is an apocalyptic number.

It is an amenable number.

1402421501 is a deficient number, since it is larger than the sum of its proper divisors (128315203).

1402421501 is a wasteful number, since it uses less digits than its factorization.

1402421501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1402421501 is about 37448.9185558141. The cubic root of 1402421501 is about 1119.3335482902. Note that the first 3 decimals are identical.

Adding to 1402421501 its reverse (1051242041), we get a palindrome (2453663542).

The spelling of 1402421501 in words is "one billion, four hundred two million, four hundred twenty-one thousand, five hundred one".