1125570031 has 2 divisors, whose sum is σ = 1125570032. Its totient is φ = 1125570030.

The previous prime is 1125570001. The next prime is 1125570049. The reversal of 1125570031 is 1300755211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1125570031 - 2¹⁵ = 1125537263 is a prime.

It is a super-2 number, since 2×1125570031² = 2533815789370681922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1125569978 and 1125570005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125570001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562785015 + 562785016.

It is an arithmetic number, because the mean of its divisors is an integer number (562785016).

Almost surely, 2^1125570031 is an apocalyptic number.

1125570031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125570031 is an equidigital number, since it uses as much as digits as its factorization.

1125570031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 1125570031 is about 33549.5161067936. The cubic root of 1125570031 is about 1040.2175429413.

The spelling of 1125570031 in words is "one billion, one hundred twenty-five million, five hundred seventy thousand, thirty-one".