126154537 has 2 divisors, whose sum is σ = 126154538. Its totient is φ = 126154536.

The previous prime is 126154519. The next prime is 126154543. The reversal of 126154537 is 735451621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96353856 + 29800681 = 9816^2 + 5459^2 .

It is a cyclic number.

It is not a de Polignac number, because 126154537 - 2⁷ = 126154409 is a prime.

It is not a weakly prime, because it can be changed into another prime (126154507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63077268 + 63077269.

It is an arithmetic number, because the mean of its divisors is an integer number (63077269).

Almost surely, 2^126154537 is an apocalyptic number.

It is an amenable number.

126154537 is a deficient number, since it is larger than the sum of its proper divisors (1).

126154537 is an equidigital number, since it uses as much as digits as its factorization.

126154537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

The square root of 126154537 is about 11231.8536760412. The cubic root of 126154537 is about 501.5346674391.

The spelling of 126154537 in words is "one hundred twenty-six million, one hundred fifty-four thousand, five hundred thirty-seven".