1012255434 has 32 divisors (see below), whose sum is σ = 2252288640. Its totient is φ = 336993696.

The previous prime is 1012255397. The next prime is 1012255441. The reversal of 1012255434 is 4345522101.

1012255434 is a `hidden beast` number, since 1 + 0 + 1 + 225 + 5 + 434 = 666.

It is a super-2 number, since 2×1012255434² = 2049322127325056712, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1012255398 and 1012255407.

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, 33054 + ... + 55830.

It is an arithmetic number, because the mean of its divisors is an integer number (70384020).

Almost surely, 2^1012255434 is an apocalyptic number.

1012255434 is an abundant number, since it is smaller than the sum of its proper divisors (1240033206).

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

1012255434 is a wasteful number, since it uses less digits than its factorization.

1012255434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23611 (or 23605 counting only the distinct ones).

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

The square root of 1012255434 is about 31815.9619373672. The cubic root of 1012255434 is about 1004.0685689639.

Adding to 1012255434 its reverse (4345522101), we get a palindrome (5357777535).

It can be divided in two parts, 10122 and 55434, that added together give a palindrome (65556).

The spelling of 1012255434 in words is "one billion, twelve million, two hundred fifty-five thousand, four hundred thirty-four".