1453121113 has 2 divisors, whose sum is σ = 1453121114. Its totient is φ = 1453121112.

The previous prime is 1453121101. The next prime is 1453121119. The reversal of 1453121113 is 3111213541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1210135369 + 242985744 = 34787^2 + 15588^2 .

It is a cyclic number.

It is not a de Polignac number, because 1453121113 - 2²⁹ = 916250201 is a prime.

It is a super-2 number, since 2×1453121113² = 4223121938092717538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1453121119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726560556 + 726560557.

It is an arithmetic number, because the mean of its divisors is an integer number (726560557).

Almost surely, 2^1453121113 is an apocalyptic number.

It is an amenable number.

1453121113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453121113 is an equidigital number, since it uses as much as digits as its factorization.

1453121113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 22.

The square root of 1453121113 is about 38119.8257210077. The cubic root of 1453121113 is about 1132.6627140899.

Adding to 1453121113 its reverse (3111213541), we get a palindrome (4564334654).

The spelling of 1453121113 in words is "one billion, four hundred fifty-three million, one hundred twenty-one thousand, one hundred thirteen".