1001451234 has 64 divisors (see below), whose sum is σ = 2410721280. Its totient is φ = 271149120.

The previous prime is 1001451233. The next prime is 1001451247. The reversal of 1001451234 is 4321541001.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1001451234.

It is not an unprimeable number, because it can be changed into a prime (1001451233) 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, 100539 + ... + 110049.

It is an arithmetic number, because the mean of its divisors is an integer number (37667520).

Almost surely, 2^1001451234 is an apocalyptic number.

1001451234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001451234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1205360640).

1001451234 is an abundant number, since it is smaller than the sum of its proper divisors (1409270046).

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

1001451234 is a wasteful number, since it uses less digits than its factorization.

1001451234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9655.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1001451234 is about 31645.7143069958. The cubic root of 1001451234 is about 1000.4835108462.

Adding to 1001451234 its reverse (4321541001), we get a palindrome (5322992235).

The spelling of 1001451234 in words is "one billion, one million, four hundred fifty-one thousand, two hundred thirty-four".