126551006 has 4 divisors (see below), whose sum is σ = 189826512. Its totient is φ = 63275502.

The previous prime is 126550997. The next prime is 126551011. The reversal of 126551006 is 600155621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 600155621 = 13 ⋅46165817.

It is a super-2 number, since 2×126551006² = 32030314239224072, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31637750 + ... + 31637753.

It is an arithmetic number, because the mean of its divisors is an integer number (47456628).

Almost surely, 2^126551006 is an apocalyptic number.

126551006 is a deficient number, since it is larger than the sum of its proper divisors (63275506).

126551006 is an equidigital number, since it uses as much as digits as its factorization.

126551006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63275505.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 126551006 is about 11249.4891439567. The cubic root of 126551006 is about 502.0595131636.

The spelling of 126551006 in words is "one hundred twenty-six million, five hundred fifty-one thousand, six".