1012345425 has 96 divisors (see below), whose sum is σ = 2289020160. Its totient is φ = 427161600.

The previous prime is 1012345387. The next prime is 1012345429. The reversal of 1012345425 is 5245432101.

1012345425 is a `hidden beast` number, since 1 + 0 + 1 + 234 + 5 + 425 = 666.

1012345425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1012345425 - 2⁹ = 1012344913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1012345429) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 53185 + ... + 69665.

It is an arithmetic number, because the mean of its divisors is an integer number (23843960).

Almost surely, 2^1012345425 is an apocalyptic number.

1012345425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012345425 is an abundant number, since it is smaller than the sum of its proper divisors (1276674735).

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

1012345425 is a wasteful number, since it uses less digits than its factorization.

1012345425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16520 (or 16509 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1012345425 is about 31817.3761488907. The cubic root of 1012345425 is about 1004.0983224741.

Adding to 1012345425 its reverse (5245432101), we get a palindrome (6257777526).

The spelling of 1012345425 in words is "one billion, twelve million, three hundred forty-five thousand, four hundred twenty-five".