1126649390 has 8 divisors (see below), whose sum is σ = 2027968920. Its totient is φ = 450659752.

The previous prime is 1126649389. The next prime is 1126649413. The reversal of 1126649390 is 939466211.

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

It is a super-4 number, since 4×1126649390⁴ (a number of 37 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56332460 + ... + 56332479.

It is an arithmetic number, because the mean of its divisors is an integer number (253496115).

Almost surely, 2^1126649390 is an apocalyptic number.

1126649390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1126649390 is a deficient number, since it is larger than the sum of its proper divisors (901319530).

1126649390 is a wasteful number, since it uses less digits than its factorization.

1126649390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112664946.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 1126649390 is about 33565.5983113664. The cubic root of 1126649390 is about 1040.5499402856.

The spelling of 1126649390 in words is "one billion, one hundred twenty-six million, six hundred forty-nine thousand, three hundred ninety".