1025023720 has 32 divisors (see below), whose sum is σ = 2635776000. Its totient is φ = 351436608.

The previous prime is 1025023717. The next prime is 1025023751. The reversal of 1025023720 is 273205201.

It is a junction number, because it is equal to n+sod(n) for n = 1025023691 and 1025023700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1830120 + ... + 1830679.

It is an arithmetic number, because the mean of its divisors is an integer number (82368000).

Almost surely, 2^1025023720 is an apocalyptic number.

1025023720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025023720 is an abundant number, since it is smaller than the sum of its proper divisors (1610752280).

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

1025023720 is a wasteful number, since it uses less digits than its factorization.

1025023720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660817 (or 3660813 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 1025023720 is about 32015.9916291843. The cubic root of 1025023720 is about 1008.2726151237.

Adding to 1025023720 its reverse (273205201), we get a palindrome (1298228921).

The spelling of 1025023720 in words is "one billion, twenty-five million, twenty-three thousand, seven hundred twenty".