1087143372 has 144 divisors (see below), whose sum is σ = 3293402112. Its totient is φ = 295868160.

The previous prime is 1087143347. The next prime is 1087143383. The reversal of 1087143372 is 2733417801.

It is a super-2 number, since 2×1087143372² = 2363761422567060768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 443053 + ... + 445499.

It is an arithmetic number, because the mean of its divisors is an integer number (22870848).

Almost surely, 2^1087143372 is an apocalyptic number.

1087143372 is a gapful number since it is divisible by the number (12) 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 1087143372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646701056).

1087143372 is an abundant number, since it is smaller than the sum of its proper divisors (2206258740).

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

1087143372 is a wasteful number, since it uses less digits than its factorization.

1087143372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548 (or 2543 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1087143372 is about 32971.8572725286. The cubic root of 1087143372 is about 1028.2426350214.

The spelling of 1087143372 in words is "one billion, eighty-seven million, one hundred forty-three thousand, three hundred seventy-two".