1161256007 has 2 divisors, whose sum is σ = 1161256008. Its totient is φ = 1161256006.

The previous prime is 1161255971. The next prime is 1161256021. The reversal of 1161256007 is 7006521611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1161256007 - 2¹² = 1161251911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161256067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580628003 + 580628004.

It is an arithmetic number, because the mean of its divisors is an integer number (580628004).

Almost surely, 2^1161256007 is an apocalyptic number.

1161256007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161256007 is an equidigital number, since it uses as much as digits as its factorization.

1161256007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1161256007 is about 34077.2065609844. The cubic root of 1161256007 is about 1051.0966643272.

Adding to 1161256007 its reverse (7006521611), we get a palindrome (8167777618).

The spelling of 1161256007 in words is "one billion, one hundred sixty-one million, two hundred fifty-six thousand, seven".