1121619297 has 16 divisors (see below), whose sum is σ = 1502062848. Its totient is φ = 744470160.

The previous prime is 1121619293. The next prime is 1121619313. The reversal of 1121619297 is 7929161211.

It is not a de Polignac number, because 1121619297 - 2² = 1121619293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121619293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 963838 + ... + 965000.

It is an arithmetic number, because the mean of its divisors is an integer number (93878928).

Almost surely, 2^1121619297 is an apocalyptic number.

It is an amenable number.

1121619297 is a deficient number, since it is larger than the sum of its proper divisors (380443551).

1121619297 is a wasteful number, since it uses less digits than its factorization.

1121619297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300.

The product of its digits is 13608, while the sum is 39.

The square root of 1121619297 is about 33490.5851994258. The cubic root of 1121619297 is about 1038.9990668693. Note that the first 3 decimals are identical.

The spelling of 1121619297 in words is "one billion, one hundred twenty-one million, six hundred nineteen thousand, two hundred ninety-seven".