1025630111 has 8 divisors (see below), whose sum is σ = 1184685264. Its totient is φ = 877544320.

The previous prime is 1025630093. The next prime is 1025630119. The reversal of 1025630111 is 1110365201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1025630111 - 2¹⁴ = 1025613727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025630119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2742140 + ... + 2742513.

It is an arithmetic number, because the mean of its divisors is an integer number (148085658).

Almost surely, 2^1025630111 is an apocalyptic number.

1025630111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1025630111 is a deficient number, since it is larger than the sum of its proper divisors (159055153).

1025630111 is a wasteful number, since it uses less digits than its factorization.

1025630111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484681.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1025630111 is about 32025.4603557857. The cubic root of 1025630111 is about 1008.4714030151.

Adding to 1025630111 its reverse (1110365201), we get a palindrome (2135995312).

It can be divided in two parts, 1025 and 630111, that added together give a palindrome (631136).

The spelling of 1025630111 in words is "one billion, twenty-five million, six hundred thirty thousand, one hundred eleven".