1235157 has 16 divisors (see below), whose sum is σ = 2053632. Its totient is φ = 641520.

The previous prime is 1235149. The next prime is 1235159. The reversal of 1235157 is 7515321.

It is not a de Polignac number, because 1235157 - 2³ = 1235149 is a prime.

It is a super-5 number, since 5×1235157⁵ (a number of 32 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2443 + ... + 2904.

It is an arithmetic number, because the mean of its divisors is an integer number (128352).

2^1235157 is an apocalyptic number.

It is an amenable number.

1235157 is a deficient number, since it is larger than the sum of its proper divisors (818475).

1235157 is a wasteful number, since it uses less digits than its factorization.

1235157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5368.

The product of its digits is 1050, while the sum is 24.

The square root of 1235157 is about 1111.3761739393. The cubic root of 1235157 is about 107.2936586344.

The spelling of 1235157 in words is "one million, two hundred thirty-five thousand, one hundred fifty-seven".