1121495051 has 2 divisors, whose sum is σ = 1121495052. Its totient is φ = 1121495050.

The previous prime is 1121495041. The next prime is 1121495071. The reversal of 1121495051 is 1505941211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121495051 - 2¹⁰ = 1121494027 is a prime.

It is a super-2 number, since 2×1121495051² = 2515502298834985202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1121495041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560747525 + 560747526.

It is an arithmetic number, because the mean of its divisors is an integer number (560747526).

Almost surely, 2^1121495051 is an apocalyptic number.

1121495051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121495051 is an equidigital number, since it uses as much as digits as its factorization.

1121495051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 29.

The square root of 1121495051 is about 33488.7302088329. The cubic root of 1121495051 is about 1038.9607008374.

The spelling of 1121495051 in words is "one billion, one hundred twenty-one million, four hundred ninety-five thousand, fifty-one".