1420011231 has 16 divisors (see below), whose sum is σ = 1955505024. Its totient is φ = 916007904.

The previous prime is 1420011209. The next prime is 1420011239. The reversal of 1420011231 is 1321100241.

It is not a de Polignac number, because 1420011231 - 2⁶ = 1420011167 is a prime.

It is a super-2 number, since 2×1420011231² = 4032863792332270722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1420011231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420011239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37636 + ... + 65241.

It is an arithmetic number, because the mean of its divisors is an integer number (122219064).

Almost surely, 2^1420011231 is an apocalyptic number.

1420011231 is a deficient number, since it is larger than the sum of its proper divisors (535493793).

1420011231 is a wasteful number, since it uses less digits than its factorization.

1420011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103030.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1420011231 is about 37683.0363824361. The cubic root of 1420011231 is about 1123.9938278790.

Adding to 1420011231 its reverse (1321100241), we get a palindrome (2741111472).

The spelling of 1420011231 in words is "one billion, four hundred twenty million, eleven thousand, two hundred thirty-one".