152123401 has 2 divisors, whose sum is σ = 152123402. Its totient is φ = 152123400.

The previous prime is 152123381. The next prime is 152123527. The reversal of 152123401 is 104321251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136913401 + 15210000 = 11701^2 + 3900^2 .

It is an emirp because it is prime and its reverse (104321251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152123401 - 2⁷ = 152123273 is a prime.

It is not a weakly prime, because it can be changed into another prime (152123801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76061700 + 76061701.

It is an arithmetic number, because the mean of its divisors is an integer number (76061701).

Almost surely, 2^152123401 is an apocalyptic number.

It is an amenable number.

152123401 is a deficient number, since it is larger than the sum of its proper divisors (1).

152123401 is an equidigital number, since it uses as much as digits as its factorization.

152123401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 152123401 is about 12333.8315620086. The cubic root of 152123401 is about 533.8247132367.

Adding to 152123401 its reverse (104321251), we get a palindrome (256444652).

The spelling of 152123401 in words is "one hundred fifty-two million, one hundred twenty-three thousand, four hundred one".