1401116253 has 8 divisors (see below), whose sum is σ = 1873540128. Its totient is φ = 931384944.

The previous prime is 1401116243. The next prime is 1401116263. The reversal of 1401116253 is 3526111041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1401116243) and next prime (1401116263).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1401116253 - 2⁸ = 1401115997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401116203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671926 + ... + 674007.

It is an arithmetic number, because the mean of its divisors is an integer number (234192516).

Almost surely, 2^1401116253 is an apocalyptic number.

It is an amenable number.

1401116253 is a deficient number, since it is larger than the sum of its proper divisors (472423875).

1401116253 is a wasteful number, since it uses less digits than its factorization.

1401116253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346283.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1401116253 is about 37431.4874537467. The cubic root of 1401116253 is about 1118.9861821174.

Adding to 1401116253 its reverse (3526111041), we get a palindrome (4927227294).

The spelling of 1401116253 in words is "one billion, four hundred one million, one hundred sixteen thousand, two hundred fifty-three".