1231415053 has 4 divisors (see below), whose sum is σ = 1343361888. Its totient is φ = 1119468220.

The previous prime is 1231415041. The next prime is 1231415063. The reversal of 1231415053 is 3505141321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1231415053 - 2¹³ = 1231406861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231415063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55973401 + ... + 55973422.

It is an arithmetic number, because the mean of its divisors is an integer number (335840472).

Almost surely, 2^1231415053 is an apocalyptic number.

It is an amenable number.

1231415053 is a deficient number, since it is larger than the sum of its proper divisors (111946835).

1231415053 is a wasteful number, since it uses less digits than its factorization.

1231415053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111946834.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1231415053 is about 35091.5239480989. The cubic root of 1231415053 is about 1071.8519919503.

Adding to 1231415053 its reverse (3505141321), we get a palindrome (4736556374).

The spelling of 1231415053 in words is "one billion, two hundred thirty-one million, four hundred fifteen thousand, fifty-three".