1207072131 has 32 divisors (see below), whose sum is σ = 1786987008. Its totient is φ = 720867840.

The previous prime is 1207072123. The next prime is 1207072151. The reversal of 1207072131 is 1312707021.

It is not a de Polignac number, because 1207072131 - 2³ = 1207072123 is a prime.

It is a super-2 number, since 2×1207072131² = 2914046258873762322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1207072151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245065 + ... + 249941.

It is an arithmetic number, because the mean of its divisors is an integer number (55843344).

Almost surely, 2^1207072131 is an apocalyptic number.

1207072131 is a deficient number, since it is larger than the sum of its proper divisors (579914877).

1207072131 is a wasteful number, since it uses less digits than its factorization.

1207072131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 1207072131 is about 34742.9436144953. The cubic root of 1207072131 is about 1064.7420539529.

Adding to 1207072131 its reverse (1312707021), we get a palindrome (2519779152).

The spelling of 1207072131 in words is "one billion, two hundred seven million, seventy-two thousand, one hundred thirty-one".