1025131 has 4 divisors (see below), whose sum is σ = 1029952. Its totient is φ = 1020312.

The previous prime is 1025119. The next prime is 1025137. The reversal of 1025131 is 1315201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1315201 = 47 ⋅27983.

It is a cyclic number.

It is not a de Polignac number, because 1025131 - 2⁵ = 1025099 is a prime.

It is a super-2 number, since 2×1025131² = 2101787134322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2076 + ... + 2521.

It is an arithmetic number, because the mean of its divisors is an integer number (257488).

2^1025131 is an apocalyptic number.

1025131 is a deficient number, since it is larger than the sum of its proper divisors (4821).

1025131 is an equidigital number, since it uses as much as digits as its factorization.

1025131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1025131 is about 1012.4875307874. The cubic root of 1025131 is about 100.8307789501.

It can be divided in two parts, 1025 and 131, that added together give a square (1156 = 34²).

The spelling of 1025131 in words is "one million, twenty-five thousand, one hundred thirty-one".