368661121 has 2 divisors, whose sum is σ = 368661122. Its totient is φ = 368661120.

The previous prime is 368661113. The next prime is 368661127. The reversal of 368661121 is 121166863.

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., 332661121 + 36000000 = 18239^2 + 6000^2 .

It is an emirp because it is prime and its reverse (121166863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 368661121 - 2³ = 368661113 is a prime.

It is a super-2 number, since 2×368661121² = 271822044273953282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (368661127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184330560 + 184330561.

It is an arithmetic number, because the mean of its divisors is an integer number (184330561).

Almost surely, 2^368661121 is an apocalyptic number.

It is an amenable number.

368661121 is a deficient number, since it is larger than the sum of its proper divisors (1).

368661121 is an equidigital number, since it uses as much as digits as its factorization.

368661121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 368661121 is about 19200.5500181635. The cubic root of 368661121 is about 717.0384530171.

The spelling of 368661121 in words is "three hundred sixty-eight million, six hundred sixty-one thousand, one hundred twenty-one".