1189875131 has 2 divisors, whose sum is σ = 1189875132. Its totient is φ = 1189875130.

The previous prime is 1189875079. The next prime is 1189875217. The reversal of 1189875131 is 1315789811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1189875131 - 2¹⁸ = 1189612987 is a prime.

It is a super-2 number, since 2×1189875131² = 2831605654744534322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1189875331) 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 as a sum of consecutive naturals, namely, 594937565 + 594937566.

It is an arithmetic number, because the mean of its divisors is an integer number (594937566).

Almost surely, 2^1189875131 is an apocalyptic number.

1189875131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1189875131 is an equidigital number, since it uses as much as digits as its factorization.

1189875131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 44.

The square root of 1189875131 is about 34494.5666881032. The cubic root of 1189875131 is about 1059.6614354243.

The spelling of 1189875131 in words is "one billion, one hundred eighty-nine million, eight hundred seventy-five thousand, one hundred thirty-one".