1150257 has 4 divisors (see below), whose sum is σ = 1533680. Its totient is φ = 766836.

The previous prime is 1150249. The next prime is 1150301. The reversal of 1150257 is 7520511.

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 not a de Polignac number, because 1150257 - 2³ = 1150249 is a prime.

It is a D-number.

It is the 1073-rd Hogben number.

It is a Duffinian number.

1150257 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1150217) by changing a digit.

It is a nontrivial repunit in base 1072.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191707 + ... + 191712.

It is an arithmetic number, because the mean of its divisors is an integer number (383420).

2^1150257 is an apocalyptic number.

It is an amenable number.

1150257 is a deficient number, since it is larger than the sum of its proper divisors (383423).

1150257 is an equidigital number, since it uses as much as digits as its factorization.

1150257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383422.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 1150257 is about 1072.5003496503. The cubic root of 1150257 is about 104.7767592638.

Adding to 1150257 its reverse (7520511), we get a palindrome (8670768).

The spelling of 1150257 in words is "one million, one hundred fifty thousand, two hundred fifty-seven".