1124453157 has 4 divisors (see below), whose sum is σ = 1499270880. Its totient is φ = 749635436.

The previous prime is 1124453137. The next prime is 1124453203. The reversal of 1124453157 is 7513544211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7513544211 = 3 ⋅2504514737.

It is a cyclic number.

It is not a de Polignac number, because 1124453157 - 2¹¹ = 1124451109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124453137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187408857 + ... + 187408862.

It is an arithmetic number, because the mean of its divisors is an integer number (374817720).

Almost surely, 2^1124453157 is an apocalyptic number.

It is an amenable number.

1124453157 is a deficient number, since it is larger than the sum of its proper divisors (374817723).

1124453157 is an equidigital number, since it uses as much as digits as its factorization.

1124453157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374817722.

The product of its digits is 16800, while the sum is 33.

The square root of 1124453157 is about 33532.8668174971. The cubic root of 1124453157 is about 1039.8733687658.

Adding to 1124453157 its reverse (7513544211), we get a palindrome (8637997368).

The spelling of 1124453157 in words is "one billion, one hundred twenty-four million, four hundred fifty-three thousand, one hundred fifty-seven".