1012635426 has 16 divisors (see below), whose sum is σ = 2209386528. Its totient is φ = 306859200.

The previous prime is 1012635409. The next prime is 1012635511. The reversal of 1012635426 is 6245362101.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1012635393 and 1012635402.

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, 7671415 + ... + 7671546.

It is an arithmetic number, because the mean of its divisors is an integer number (138086658).

Almost surely, 2^1012635426 is an apocalyptic number.

1012635426 is an abundant number, since it is smaller than the sum of its proper divisors (1196751102).

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

1012635426 is a wasteful number, since it uses less digits than its factorization.

1012635426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15342977.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1012635426 is about 31821.9330965295. The cubic root of 1012635426 is about 1004.1941928196.

Adding to 1012635426 its reverse (6245362101), we get a palindrome (7257997527).

The spelling of 1012635426 in words is "one billion, twelve million, six hundred thirty-five thousand, four hundred twenty-six".