210124230149 has 2 divisors, whose sum is σ = 210124230150. Its totient is φ = 210124230148.

The previous prime is 210124230091. The next prime is 210124230157. The reversal of 210124230149 is 941032421012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161837244100 + 48286986049 = 402290^2 + 219743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210124230149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210124230749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105062115074 + 105062115075.

It is an arithmetic number, because the mean of its divisors is an integer number (105062115075).

Almost surely, 2^210124230149 is an apocalyptic number.

It is an amenable number.

210124230149 is a deficient number, since it is larger than the sum of its proper divisors (1).

210124230149 is an equidigital number, since it uses as much as digits as its factorization.

210124230149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 210124230149 in words is "two hundred ten billion, one hundred twenty-four million, two hundred thirty thousand, one hundred forty-nine".