118267397 has 2 divisors, whose sum is σ = 118267398. Its totient is φ = 118267396.

The previous prime is 118267393. The next prime is 118267537. The reversal of 118267397 is 793762811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116942596 + 1324801 = 10814^2 + 1151^2 .

It is a cyclic number.

It is not a de Polignac number, because 118267397 - 2² = 118267393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118267393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59133698 + 59133699.

It is an arithmetic number, because the mean of its divisors is an integer number (59133699).

Almost surely, 2^118267397 is an apocalyptic number.

It is an amenable number.

118267397 is a deficient number, since it is larger than the sum of its proper divisors (1).

118267397 is an equidigital number, since it uses as much as digits as its factorization.

118267397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 44.

The square root of 118267397 is about 10875.0814709592. The cubic root of 118267397 is about 490.8570271582.

The spelling of 118267397 in words is "one hundred eighteen million, two hundred sixty-seven thousand, three hundred ninety-seven".