1071220732 has 24 divisors (see below), whose sum is σ = 1899510480. Its totient is φ = 528528000.

The previous prime is 1071220691. The next prime is 1071220739. The reversal of 1071220732 is 2370221701.

It is a super-2 number, since 2×1071220732² = 2295027713333231648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071220697 and 1071220706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071220739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191982 + ... + 197482.

It is an arithmetic number, because the mean of its divisors is an integer number (79146270).

Almost surely, 2^1071220732 is an apocalyptic number.

It is an amenable number.

1071220732 is a deficient number, since it is larger than the sum of its proper divisors (828289748).

1071220732 is a wasteful number, since it uses less digits than its factorization.

1071220732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6141 (or 6139 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 1071220732 is about 32729.5085817065. The cubic root of 1071220732 is about 1023.1979383754.

The spelling of 1071220732 in words is "one billion, seventy-one million, two hundred twenty thousand, seven hundred thirty-two".