1231214253 has 8 divisors (see below), whose sum is σ = 1652075808. Its totient is φ = 815581104.

The previous prime is 1231214251. The next prime is 1231214261. The reversal of 1231214253 is 3524121321.

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

It is not a de Polignac number, because 1231214253 - 2¹ = 1231214251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231214251) 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, 1306551 + ... + 1307492.

It is an arithmetic number, because the mean of its divisors is an integer number (206509476).

Almost surely, 2^1231214253 is an apocalyptic number.

It is an amenable number.

1231214253 is a deficient number, since it is larger than the sum of its proper divisors (420861555).

1231214253 is a wasteful number, since it uses less digits than its factorization.

1231214253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614203.

The product of its digits is 1440, while the sum is 24.

The square root of 1231214253 is about 35088.6627416891. The cubic root of 1231214253 is about 1071.7937284701.

Adding to 1231214253 its reverse (3524121321), we get a palindrome (4755335574).

It can be divided in two parts, 12312 and 14253, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 1231214253 in words is "one billion, two hundred thirty-one million, two hundred fourteen thousand, two hundred fifty-three".