1072403612 has 54 divisors (see below), whose sum is σ = 2282372568. Its totient is φ = 439576368.

The previous prime is 1072403603. The next prime is 1072403659. The reversal of 1072403612 is 2163042701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 98513 + ... + 108855.

Almost surely, 2^1072403612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1072403612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1141186284).

1072403612 is an abundant number, since it is smaller than the sum of its proper divisors (1209968956).

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

1072403612 is a wasteful number, since it uses less digits than its factorization.

1072403612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10407 (or 10375 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1072403612 is about 32747.5741391633. The cubic root of 1072403612 is about 1023.5744170105.

The spelling of 1072403612 in words is "one billion, seventy-two million, four hundred three thousand, six hundred twelve".