157127049 has 12 divisors (see below), whose sum is σ = 233095876. Its totient is φ = 101920032.

The previous prime is 157127027. The next prime is 157127057. The reversal of 157127049 is 940721751.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 77792400 + 79334649 = 8820^2 + 8907^2 .

It is not a de Polignac number, because 157127049 - 2⁹ = 157126537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157127059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235594 + ... + 236259.

Almost surely, 2^157127049 is an apocalyptic number.

It is an amenable number.

157127049 is a deficient number, since it is larger than the sum of its proper divisors (75968827).

157127049 is a wasteful number, since it uses less digits than its factorization.

157127049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471896 (or 471893 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 157127049 is about 12535.0328679266. The cubic root of 157127049 is about 539.6145500356.

The spelling of 157127049 in words is "one hundred fifty-seven million, one hundred twenty-seven thousand, forty-nine".