126162861 has 8 divisors (see below), whose sum is σ = 183509664. Its totient is φ = 76462320.

The previous prime is 126162857. The next prime is 126162871. The reversal of 126162861 is 168261621.

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

It is not a de Polignac number, because 126162861 - 2² = 126162857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 3823117 = 126162861 / (1 + 2 + 6 + 1 + 6 + 2 + 8 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126162851) 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, 1911526 + ... + 1911591.

It is an arithmetic number, because the mean of its divisors is an integer number (22938708).

Almost surely, 2^126162861 is an apocalyptic number.

126162861 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126162861 is a deficient number, since it is larger than the sum of its proper divisors (57346803).

126162861 is a wasteful number, since it uses less digits than its factorization.

126162861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823131.

The product of its digits is 6912, while the sum is 33.

The square root of 126162861 is about 11232.2242231893. The cubic root of 126162861 is about 501.5456980445.

The spelling of 126162861 in words is "one hundred twenty-six million, one hundred sixty-two thousand, eight hundred sixty-one".