126377889 has 8 divisors (see below), whose sum is σ = 183822432. Its totient is φ = 76592640.

The previous prime is 126377887. The next prime is 126377897. The reversal of 126377889 is 988773621.

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

It is not a de Polignac number, because 126377889 - 2¹ = 126377887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126377887) 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, 1914784 + ... + 1914849.

It is an arithmetic number, because the mean of its divisors is an integer number (22977804).

Almost surely, 2^126377889 is an apocalyptic number.

It is an amenable number.

126377889 is a deficient number, since it is larger than the sum of its proper divisors (57444543).

126377889 is a wasteful number, since it uses less digits than its factorization.

126377889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829647.

The product of its digits is 1016064, while the sum is 51.

The square root of 126377889 is about 11241.7920724411. The cubic root of 126377889 is about 501.8304758718.

It can be divided in two parts, 126 and 377889, that added together give a triangular number (378015 = T₈₆₉).

The spelling of 126377889 in words is "one hundred twenty-six million, three hundred seventy-seven thousand, eight hundred eighty-nine".