1231454253 has 8 divisors (see below), whose sum is σ = 1680123808. Its totient is φ = 801877104.

The previous prime is 1231454227. The next prime is 1231454269. The reversal of 1231454253 is 3524541321.

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

It is not a de Polignac number, because 1231454253 - 2⁵ = 1231454221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1231454253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231454053) 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, 4772950 + ... + 4773207.

It is an arithmetic number, because the mean of its divisors is an integer number (210015476).

Almost surely, 2^1231454253 is an apocalyptic number.

It is an amenable number.

1231454253 is a deficient number, since it is larger than the sum of its proper divisors (448669555).

1231454253 is an equidigital number, since it uses as much as digits as its factorization.

1231454253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9546203.

The product of its digits is 14400, while the sum is 30.

The square root of 1231454253 is about 35092.0824830901. The cubic root of 1231454253 is about 1071.8633653569.

Adding to 1231454253 its reverse (3524541321), we get a palindrome (4755995574).

The spelling of 1231454253 in words is "one billion, two hundred thirty-one million, four hundred fifty-four thousand, two hundred fifty-three".