1231050453 has 8 divisors (see below), whose sum is σ = 1643328288. Its totient is φ = 819736464.

The previous prime is 1231050449. The next prime is 1231050463. The reversal of 1231050453 is 3540501321.

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

It is not a de Polignac number, because 1231050453 - 2² = 1231050449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231050433) 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, 237975 + ... + 243092.

It is an arithmetic number, because the mean of its divisors is an integer number (205416036).

Almost surely, 2^1231050453 is an apocalyptic number.

It is an amenable number.

1231050453 is a deficient number, since it is larger than the sum of its proper divisors (412277835).

1231050453 is an equidigital number, since it uses as much as digits as its factorization.

1231050453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481923.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1231050453 is about 35086.3285768118. The cubic root of 1231050453 is about 1071.7461960989.

Adding to 1231050453 its reverse (3540501321), we get a palindrome (4771551774).

The spelling of 1231050453 in words is "one billion, two hundred thirty-one million, fifty thousand, four hundred fifty-three".