1115051 has 4 divisors (see below), whose sum is σ = 1274352. Its totient is φ = 955752.

The previous prime is 1115029. The next prime is 1115057. The reversal of 1115051 is 1505111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1115051 - 2⁶ = 1114987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115057) 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, 79640 + ... + 79653.

It is an arithmetic number, because the mean of its divisors is an integer number (318588).

2^1115051 is an apocalyptic number.

1115051 is a deficient number, since it is larger than the sum of its proper divisors (159301).

1115051 is an equidigital number, since it uses as much as digits as its factorization.

1115051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159300.

The product of its (nonzero) digits is 25, while the sum is 14.

The square root of 1115051 is about 1055.9597530209. The cubic root of 1115051 is about 103.6966939596.

It can be divided in two parts, 11 and 15051, that multiplied together give a palindrome (165561).

The spelling of 1115051 in words is "one million, one hundred fifteen thousand, fifty-one".