1420032131 has 4 divisors (see below), whose sum is σ = 1622893872. Its totient is φ = 1217170392.

The previous prime is 1420032091. The next prime is 1420032137. The reversal of 1420032131 is 1312300241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1420032131 - 2¹⁸ = 1419769987 is a prime.

It is a super-2 number, since 2×1420032131² = 4032982506144802322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420032137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101430860 + ... + 101430873.

It is an arithmetic number, because the mean of its divisors is an integer number (405723468).

Almost surely, 2^1420032131 is an apocalyptic number.

1420032131 is a deficient number, since it is larger than the sum of its proper divisors (202861741).

1420032131 is an equidigital number, since it uses as much as digits as its factorization.

1420032131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202861740.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1420032131 is about 37683.3136945253. The cubic root of 1420032131 is about 1123.9993422382. Note that the first 3 decimals are identical.

Adding to 1420032131 its reverse (1312300241), we get a palindrome (2732332372).

The spelling of 1420032131 in words is "one billion, four hundred twenty million, thirty-two thousand, one hundred thirty-one".