1131077376 has 216 divisors, whose sum is σ = 3832426416. Its totient is φ = 316293120.

The previous prime is 1131077359. The next prime is 1131077393. The reversal of 1131077376 is 6737701311.

It is an interprime number because it is at equal distance from previous prime (1131077359) and next prime (1131077393).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1131077376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327756 + ... + 331188.

Almost surely, 2^1131077376 is an apocalyptic number.

1131077376 is a gapful number since it is divisible by the number (16) 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 1131077376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1916213208).

1131077376 is an abundant number, since it is smaller than the sum of its proper divisors (2701349040).

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

1131077376 is a wasteful number, since it uses less digits than its factorization.

1131077376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479 (or 3462 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 1131077376 is about 33631.4938116046. The cubic root of 1131077376 is about 1041.9113568688.

Adding to 1131077376 its reverse (6737701311), we get a palindrome (7868778687).

The spelling of 1131077376 in words is "one billion, one hundred thirty-one million, seventy-seven thousand, three hundred seventy-six".