1420623051 has 12 divisors (see below), whose sum is σ = 1911749112. Its totient is φ = 938369664.

The previous prime is 1420622993. The next prime is 1420623053. The reversal of 1420623051 is 1503260241.

It is not a de Polignac number, because 1420623051 - 2⁷ = 1420622923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420623053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15715 + ... + 55571.

It is an arithmetic number, because the mean of its divisors is an integer number (159312426).

Almost surely, 2^1420623051 is an apocalyptic number.

1420623051 is a deficient number, since it is larger than the sum of its proper divisors (491126061).

1420623051 is an equidigital number, since it uses as much as digits as its factorization.

1420623051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40078 (or 39969 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1420623051 is about 37691.1534846043. The cubic root of 1420623051 is about 1124.1552311010.

Adding to 1420623051 its reverse (1503260241), we get a palindrome (2923883292).

The spelling of 1420623051 in words is "one billion, four hundred twenty million, six hundred twenty-three thousand, fifty-one".