131122149 has 32 divisors (see below), whose sum is σ = 187536384. Its totient is φ = 81312000.

The previous prime is 131122133. The next prime is 131122153. The reversal of 131122149 is 941221131.

It is not a de Polignac number, because 131122149 - 2⁴ = 131122133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131122109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 522274 + ... + 522524.

It is an arithmetic number, because the mean of its divisors is an integer number (5860512).

Almost surely, 2^131122149 is an apocalyptic number.

It is an amenable number.

131122149 is a deficient number, since it is larger than the sum of its proper divisors (56414235).

131122149 is a wasteful number, since it uses less digits than its factorization.

131122149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457.

The product of its digits is 432, while the sum is 24.

The square root of 131122149 is about 11450.8580027874. The cubic root of 131122149 is about 508.0331123662.

The spelling of 131122149 in words is "one hundred thirty-one million, one hundred twenty-two thousand, one hundred forty-nine".