1154210113 has 4 divisors (see below), whose sum is σ = 1319097280. Its totient is φ = 989322948.

The previous prime is 1154210111. The next prime is 1154210129. The reversal of 1154210113 is 3110124511.

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 1154210113 - 2¹ = 1154210111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1154210111) 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, 82443573 + ... + 82443586.

It is an arithmetic number, because the mean of its divisors is an integer number (329774320).

Almost surely, 2^1154210113 is an apocalyptic number.

It is an amenable number.

1154210113 is a deficient number, since it is larger than the sum of its proper divisors (164887167).

1154210113 is an equidigital number, since it uses as much as digits as its factorization.

1154210113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164887166.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1154210113 is about 33973.6679356233. The cubic root of 1154210113 is about 1048.9665153799.

Adding to 1154210113 its reverse (3110124511), we get a palindrome (4264334624).

The spelling of 1154210113 in words is "one billion, one hundred fifty-four million, two hundred ten thousand, one hundred thirteen".