126233550 has 72 divisors (see below), whose sum is σ = 350126400. Its totient is φ = 32572800.

The previous prime is 126233533. The next prime is 126233567. The reversal of 126233550 is 55332621.

126233550 is a `hidden beast` number, since 1 + 2 + 623 + 35 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (126233533) and next prime (126233567).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9426 + ... + 18474.

Almost surely, 2^126233550 is an apocalyptic number.

126233550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126233550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175063200).

126233550 is an abundant number, since it is smaller than the sum of its proper divisors (223892850).

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

126233550 is a wasteful number, since it uses less digits than its factorization.

126233550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9098 (or 9090 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 126233550 is about 11235.3704878833. The cubic root of 126233550 is about 501.6393525058.

The spelling of 126233550 in words is "one hundred twenty-six million, two hundred thirty-three thousand, five hundred fifty".