1126764381 has 8 divisors (see below), whose sum is σ = 1502827360. Its totient is φ = 750938832.

The previous prime is 1126764361. The next prime is 1126764413. The reversal of 1126764381 is 1834676211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1126764381 - 2⁵ = 1126764349 is a prime.

It is a super-3 number, since 3×1126764381³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126764361) 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, 47971 + ... + 67488.

It is an arithmetic number, because the mean of its divisors is an integer number (187853420).

Almost surely, 2^1126764381 is an apocalyptic number.

It is an amenable number.

1126764381 is a deficient number, since it is larger than the sum of its proper divisors (376062979).

1126764381 is a wasteful number, since it uses less digits than its factorization.

1126764381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118715.

The product of its digits is 48384, while the sum is 39.

The square root of 1126764381 is about 33567.3111970560. The cubic root of 1126764381 is about 1040.5853401798.

The spelling of 1126764381 in words is "one billion, one hundred twenty-six million, seven hundred sixty-four thousand, three hundred eighty-one".