1121915026 has 4 divisors (see below), whose sum is σ = 1682872542. Its totient is φ = 560957512.

The previous prime is 1121915023. The next prime is 1121915087. The reversal of 1121915026 is 6205191211.

It is a Cunningham number, because it is equal to 33495²+1.

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

It can be written as a sum of positive squares in only one way, i.e., 1121915025 + 1 = 33495^2 + 1^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1121914985 and 1121915003.

It is not an unprimeable number, because it can be changed into a prime (1121915023) 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 as a sum of consecutive naturals, namely, 280478755 + ... + 280478758.

Almost surely, 2^1121915026 is an apocalyptic number.

1121915026 is a deficient number, since it is larger than the sum of its proper divisors (560957516).

1121915026 is an equidigital number, since it uses as much as digits as its factorization.

1121915026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560957515.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 1121915026 is about 33495.0000149276. Note that the first 4 decimals coincide. The cubic root of 1121915026 is about 1039.0903738916.

The spelling of 1121915026 in words is "one billion, one hundred twenty-one million, nine hundred fifteen thousand, twenty-six".