611152123 has 2 divisors, whose sum is σ = 611152124. Its totient is φ = 611152122.

The previous prime is 611152117. The next prime is 611152151. The reversal of 611152123 is 321251116.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611152123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 611152094 and 611152103.

It is not a weakly prime, because it can be changed into another prime (611152153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305576061 + 305576062.

It is an arithmetic number, because the mean of its divisors is an integer number (305576062).

Almost surely, 2^611152123 is an apocalyptic number.

611152123 is a deficient number, since it is larger than the sum of its proper divisors (1).

611152123 is an equidigital number, since it uses as much as digits as its factorization.

611152123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 22.

The square root of 611152123 is about 24721.4911160310. The cubic root of 611152123 is about 848.6262112985.

The spelling of 611152123 in words is "six hundred eleven million, one hundred fifty-two thousand, one hundred twenty-three".