1025042270 has 72 divisors (see below), whose sum is σ = 2195266536. Its totient is φ = 343602336.

The previous prime is 1025042269. The next prime is 1025042279. The reversal of 1025042270 is 722405201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025042279) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1081937 + ... + 1082883.

It is an arithmetic number, because the mean of its divisors is an integer number (30489813).

Almost surely, 2^1025042270 is an apocalyptic number.

1025042270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025042270 is an abundant number, since it is smaller than the sum of its proper divisors (1170224266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025042270 is an equidigital number, since it uses as much as digits as its factorization.

1025042270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 1025042270 is about 32016.2813268499. The cubic root of 1025042270 is about 1008.2786973713.

Adding to 1025042270 its reverse (722405201), we get a palindrome (1747447471).

The spelling of 1025042270 in words is "one billion, twenty-five million, forty-two thousand, two hundred seventy".