1421040131 has 6 divisors (see below), whose sum is σ = 1653046740. Its totient is φ = 1218034356.

The previous prime is 1421040091. The next prime is 1421040133. The reversal of 1421040131 is 1310401241.

It is a happy number.

It is not a de Polignac number, because 1421040131 - 2⁶ = 1421040067 is a prime.

It is a super-2 number, since 2×1421040131² = 4038710107824994322, which contains 22 as substring.

It is a Duffinian number.

1421040131 is a modest number, since divided by 40131 gives 1421 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1421040133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14500361 + ... + 14500458.

It is an arithmetic number, because the mean of its divisors is an integer number (275507790).

Almost surely, 2^1421040131 is an apocalyptic number.

1421040131 is a deficient number, since it is larger than the sum of its proper divisors (232006609).

1421040131 is an equidigital number, since it uses as much as digits as its factorization.

1421040131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29000833 (or 29000826 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1421040131 is about 37696.6859418703. The cubic root of 1421040131 is about 1124.2652337242.

Adding to 1421040131 its reverse (1310401241), we get a palindrome (2731441372).

The spelling of 1421040131 in words is "one billion, four hundred twenty-one million, forty thousand, one hundred thirty-one".