1121496461 has 2 divisors, whose sum is σ = 1121496462. Its totient is φ = 1121496460.

The previous prime is 1121496457. The next prime is 1121496463. The reversal of 1121496461 is 1646941211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1120173961 + 1322500 = 33469^2 + 1150^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121496461 - 2² = 1121496457 is a prime.

Together with 1121496463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121496463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560748230 + 560748231.

It is an arithmetic number, because the mean of its divisors is an integer number (560748231).

Almost surely, 2^1121496461 is an apocalyptic number.

It is an amenable number.

1121496461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121496461 is an equidigital number, since it uses as much as digits as its factorization.

1121496461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 35.

The square root of 1121496461 is about 33488.7512606845. The cubic root of 1121496461 is about 1038.9611362484.

The spelling of 1121496461 in words is "one billion, one hundred twenty-one million, four hundred ninety-six thousand, four hundred sixty-one".