126833290 has 8 divisors (see below), whose sum is σ = 228299940. Its totient is φ = 50733312.

The previous prime is 126833281. The next prime is 126833297. The reversal of 126833290 is 92338621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 121418361 + 5414929 = 11019^2 + 2327^2 .

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

It is not an unprimeable number, because it can be changed into a prime (126833297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6341655 + ... + 6341674.

Almost surely, 2^126833290 is an apocalyptic number.

126833290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126833290 is a deficient number, since it is larger than the sum of its proper divisors (101466650).

126833290 is a wasteful number, since it uses less digits than its factorization.

126833290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12683336.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 126833290 is about 11262.0286804820. The cubic root of 126833290 is about 502.4325330409.

The spelling of 126833290 in words is "one hundred twenty-six million, eight hundred thirty-three thousand, two hundred ninety".