1401054231 has 4 divisors (see below), whose sum is σ = 1868072312. Its totient is φ = 934036152.

The previous prime is 1401054199. The next prime is 1401054233. The reversal of 1401054231 is 1324501041.

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

It is not a de Polignac number, because 1401054231 - 2⁵ = 1401054199 is a prime.

It is a super-2 number, since 2×1401054231² = 3925905916406002722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401054198 and 1401054207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401054233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233509036 + ... + 233509041.

It is an arithmetic number, because the mean of its divisors is an integer number (467018078).

Almost surely, 2^1401054231 is an apocalyptic number.

1401054231 is a deficient number, since it is larger than the sum of its proper divisors (467018081).

1401054231 is an equidigital number, since it uses as much as digits as its factorization.

1401054231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467018080.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1401054231 is about 37430.6589709559. The cubic root of 1401054231 is about 1118.9696708097.

Adding to 1401054231 its reverse (1324501041), we get a palindrome (2725555272).

The spelling of 1401054231 in words is "one billion, four hundred one million, fifty-four thousand, two hundred thirty-one".