1421120331 has 12 divisors (see below), whose sum is σ = 2056421952. Its totient is φ = 945709296.

The previous prime is 1421120299. The next prime is 1421120359. The reversal of 1421120331 is 1330211241.

It is not a de Polignac number, because 1421120331 - 2⁵ = 1421120299 is a prime.

It is a super-2 number, since 2×1421120331² = 4039165990363099122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1421120381) 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, 136731 + ... + 146756.

It is an arithmetic number, because the mean of its divisors is an integer number (171368496).

Almost surely, 2^1421120331 is an apocalyptic number.

1421120331 is a deficient number, since it is larger than the sum of its proper divisors (635301621).

1421120331 is a wasteful number, since it uses less digits than its factorization.

1421120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284050 (or 284047 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1421120331 is about 37697.7496808497. The cubic root of 1421120331 is about 1124.2863835786.

Adding to 1421120331 its reverse (1330211241), we get a palindrome (2751331572).

The spelling of 1421120331 in words is "one billion, four hundred twenty-one million, one hundred twenty thousand, three hundred thirty-one".