126220497 has 8 divisors (see below), whose sum is σ = 181239744. Its totient is φ = 77674128.

The previous prime is 126220487. The next prime is 126220513. The reversal of 126220497 is 794022621.

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

It is not a de Polignac number, because 126220497 - 2¹⁰ = 126219473 is a prime.

It is a super-2 number, since 2×126220497² = 31863227725854018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126220487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1618173 + ... + 1618250.

It is an arithmetic number, because the mean of its divisors is an integer number (22654968).

Almost surely, 2^126220497 is an apocalyptic number.

It is an amenable number.

126220497 is a deficient number, since it is larger than the sum of its proper divisors (55019247).

126220497 is a wasteful number, since it uses less digits than its factorization.

126220497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236439.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 126220497 is about 11234.7895841444. The cubic root of 126220497 is about 501.6220614761.

The spelling of 126220497 in words is "one hundred twenty-six million, two hundred twenty thousand, four hundred ninety-seven".