126551045 has 8 divisors (see below), whose sum is σ = 151965720. Its totient is φ = 101171200.

The previous prime is 126551011. The next prime is 126551059. The reversal of 126551045 is 540155621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18515809 + 108035236 = 4303^2 + 10394^2 .

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

It is not a de Polignac number, because 126551045 - 2⁶ = 126550981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126550999 and 126551017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101 + ... + 15909.

It is an arithmetic number, because the mean of its divisors is an integer number (18995715).

Almost surely, 2^126551045 is an apocalyptic number.

It is an amenable number.

126551045 is a deficient number, since it is larger than the sum of its proper divisors (25414675).

126551045 is a wasteful number, since it uses less digits than its factorization.

126551045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17415.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 126551045 is about 11249.4908773686. The cubic root of 126551045 is about 502.0595647378.

The spelling of 126551045 in words is "one hundred twenty-six million, five hundred fifty-one thousand, forty-five".