1154253975 has 48 divisors (see below), whose sum is σ = 2187121920. Its totient is φ = 526176000.

The previous prime is 1154253973. The next prime is 1154253977. The reversal of 1154253975 is 5793524511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1154253973) and next prime (1154253977).

It is not a de Polignac number, because 1154253975 - 2¹ = 1154253973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154253973) 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 47 ways as a sum of consecutive naturals, for example, 196075 + ... + 201875.

It is an arithmetic number, because the mean of its divisors is an integer number (45565040).

Almost surely, 2^1154253975 is an apocalyptic number.

1154253975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1154253975 is a deficient number, since it is larger than the sum of its proper divisors (1032867945).

1154253975 is a wasteful number, since it uses less digits than its factorization.

1154253975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6200 (or 6195 counting only the distinct ones).

The product of its digits is 189000, while the sum is 42.

The square root of 1154253975 is about 33974.3134588471. The cubic root of 1154253975 is about 1048.9798027314.

The spelling of 1154253975 in words is "one billion, one hundred fifty-four million, two hundred fifty-three thousand, nine hundred seventy-five".