1155051022 has 4 divisors (see below), whose sum is σ = 1732576536. Its totient is φ = 577525510.

The previous prime is 1155050999. The next prime is 1155051031. The reversal of 1155051022 is 2201505511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2201505511 = 22391 ⋅98321.

It is a junction number, because it is equal to n+sod(n) for n = 1155050984 and 1155051002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288762754 + ... + 288762757.

It is an arithmetic number, because the mean of its divisors is an integer number (433144134).

Almost surely, 2^1155051022 is an apocalyptic number.

1155051022 is a deficient number, since it is larger than the sum of its proper divisors (577525514).

1155051022 is an equidigital number, since it uses as much as digits as its factorization.

1155051022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577525513.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1155051022 is about 33986.0415759176. The cubic root of 1155051022 is about 1049.2211978516.

Adding to 1155051022 its reverse (2201505511), we get a palindrome (3356556533).

The spelling of 1155051022 in words is "one billion, one hundred fifty-five million, fifty-one thousand, twenty-two".