126154105 has 16 divisors (see below), whose sum is σ = 188740224. Its totient is φ = 78641280.

The previous prime is 126154087. The next prime is 126154109. The reversal of 126154105 is 501451621.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-126154105 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126154105.

It is not an unprimeable number, because it can be changed into a prime (126154109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163452 + ... + 164221.

It is an arithmetic number, because the mean of its divisors is an integer number (11796264).

Almost surely, 2^126154105 is an apocalyptic number.

It is an amenable number.

126154105 is a deficient number, since it is larger than the sum of its proper divisors (62586119).

126154105 is a wasteful number, since it uses less digits than its factorization.

126154105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327696.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 126154105 is about 11231.8344450050. The cubic root of 126154105 is about 501.5340949581.

The spelling of 126154105 in words is "one hundred twenty-six million, one hundred fifty-four thousand, one hundred five".