126992250 has 192 divisors, whose sum is σ = 428702976. Its totient is φ = 26352000.

The previous prime is 126992237. The next prime is 126992267. The reversal of 126992250 is 52299621.

It is a happy number.

It is a super-2 number, since 2×126992250² = 32254063120125000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 172884 + ... + 173616.

It is an arithmetic number, because the mean of its divisors is an integer number (2232828).

Almost surely, 2^126992250 is an apocalyptic number.

126992250 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 126992250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214351488).

126992250 is an abundant number, since it is smaller than the sum of its proper divisors (301710726).

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

126992250 is a wasteful number, since it uses less digits than its factorization.

126992250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 126992250 is about 11269.0838136913. The cubic root of 126992250 is about 502.6423447632.

The spelling of 126992250 in words is "one hundred twenty-six million, nine hundred ninety-two thousand, two hundred fifty".