1087343971 has 16 divisors (see below), whose sum is σ = 1266182848. Its totient is φ = 914457600.

The previous prime is 1087343963. The next prime is 1087343993. The reversal of 1087343971 is 1793437801.

It is not a de Polignac number, because 1087343971 - 2³ = 1087343963 is a prime.

It is a super-2 number, since 2×1087343971² = 2364633822540097682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1087343921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181951 + ... + 187831.

It is an arithmetic number, because the mean of its divisors is an integer number (79136428).

Almost surely, 2^1087343971 is an apocalyptic number.

1087343971 is a deficient number, since it is larger than the sum of its proper divisors (178838877).

1087343971 is an equidigital number, since it uses as much as digits as its factorization.

1087343971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6382.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 1087343971 is about 32974.8991052285. The cubic root of 1087343971 is about 1028.3058746898.

The spelling of 1087343971 in words is "one billion, eighty-seven million, three hundred forty-three thousand, nine hundred seventy-one".