1012601634 has 64 divisors (see below), whose sum is σ = 2441041920. Its totient is φ = 276235520.

The previous prime is 1012601633. The next prime is 1012601663. The reversal of 1012601634 is 4361062101.

It is not an unprimeable number, because it can be changed into a prime (1012601633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6187 + ... + 45425.

It is an arithmetic number, because the mean of its divisors is an integer number (38141280).

Almost surely, 2^1012601634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012601634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220520960).

1012601634 is an abundant number, since it is smaller than the sum of its proper divisors (1428440286).

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

1012601634 is a wasteful number, since it uses less digits than its factorization.

1012601634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39295.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1012601634 is about 31821.4021375552. The cubic root of 1012601634 is about 1004.1830225909.

Adding to 1012601634 its reverse (4361062101), we get a palindrome (5373663735).

The spelling of 1012601634 in words is "one billion, twelve million, six hundred one thousand, six hundred thirty-four".