126191330 has 16 divisors (see below), whose sum is σ = 227534400. Its totient is φ = 50389872.

The previous prime is 126191327. The next prime is 126191437. The reversal of 126191330 is 33191621.

It is a self number, because there is not a number n which added to its sum of digits gives 126191330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4544 + ... + 16523.

It is an arithmetic number, because the mean of its divisors is an integer number (14220900).

Almost surely, 2^126191330 is an apocalyptic number.

126191330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126191330 is a deficient number, since it is larger than the sum of its proper divisors (101343070).

126191330 is a wasteful number, since it uses less digits than its factorization.

126191330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21673.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 126191330 is about 11233.4914430020. The cubic root of 126191330 is about 501.5834202672.

The spelling of 126191330 in words is "one hundred twenty-six million, one hundred ninety-one thousand, three hundred thirty".