1025130345420 has 48 divisors (see below), whose sum is σ = 2962957390848. Its totient is φ = 264549766080.

The previous prime is 1025130345403. The next prime is 1025130345479. The reversal of 1025130345420 is 245430315201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275570814 + ... + 275574533.

It is an arithmetic number, because the mean of its divisors is an integer number (61728278976).

Almost surely, 2^{1025130345420} is an apocalyptic number.

1025130345420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025130345420 is an abundant number, since it is smaller than the sum of its proper divisors (1937827045428).

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

1025130345420 is a wasteful number, since it uses less digits than its factorization.

1025130345420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551145390 (or 551145388 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 1025130345420 in words is "one trillion, twenty-five billion, one hundred thirty million, three hundred forty-five thousand, four hundred twenty".