126669190 has 8 divisors (see below), whose sum is σ = 228004560. Its totient is φ = 50667672.

The previous prime is 126669173. The next prime is 126669203. The reversal of 126669190 is 91966621.

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

It is a super-2 number, since 2×126669190² = 32090167390512200, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6333450 + ... + 6333469.

It is an arithmetic number, because the mean of its divisors is an integer number (28500570).

Almost surely, 2^126669190 is an apocalyptic number.

126669190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126669190 is a deficient number, since it is larger than the sum of its proper divisors (101335370).

126669190 is a wasteful number, since it uses less digits than its factorization.

126669190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12666926.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 126669190 is about 11254.7407788896. The cubic root of 126669190 is about 502.2157530391.

The spelling of 126669190 in words is "one hundred twenty-six million, six hundred sixty-nine thousand, one hundred ninety".