1071373920 has 96 divisors (see below), whose sum is σ = 3432119040. Its totient is φ = 280849920.

The previous prime is 1071373913. The next prime is 1071373969. The reversal of 1071373920 is 293731701.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1071373920² = 2295684152912332800, which contains 22 as substring.

It is a congruent number.

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, 9405 + ... + 47235.

It is an arithmetic number, because the mean of its divisors is an integer number (35751240).

Almost surely, 2^1071373920 is an apocalyptic number.

1071373920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1071373920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1716059520).

1071373920 is an abundant number, since it is smaller than the sum of its proper divisors (2360745120).

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

1071373920 is a wasteful number, since it uses less digits than its factorization.

1071373920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37908 (or 37900 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 1071373920 is about 32731.8487103921. The cubic root of 1071373920 is about 1023.2467095794.

The spelling of 1071373920 in words is "one billion, seventy-one million, three hundred seventy-three thousand, nine hundred twenty".