1167278343 has 48 divisors (see below), whose sum is σ = 1997498880. Its totient is φ = 599491200.

The previous prime is 1167278339. The next prime is 1167278347. The reversal of 1167278343 is 3438727611.

It is an interprime number because it is at equal distance from previous prime (1167278339) and next prime (1167278347).

It is not a de Polignac number, because 1167278343 - 2² = 1167278339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1167278295 and 1167278304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167278347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139858 + ... + 147968.

It is an arithmetic number, because the mean of its divisors is an integer number (41614560).

Almost surely, 2^1167278343 is an apocalyptic number.

1167278343 is a deficient number, since it is larger than the sum of its proper divisors (830220537).

1167278343 is a wasteful number, since it uses less digits than its factorization.

1167278343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8228 (or 8221 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 1167278343 is about 34165.4554045457. The cubic root of 1167278343 is about 1052.9105468789.

The spelling of 1167278343 in words is "one billion, one hundred sixty-seven million, two hundred seventy-eight thousand, three hundred forty-three".