126750161 has 8 divisors (see below), whose sum is σ = 127950144. Its totient is φ = 125555760.

The previous prime is 126750157. The next prime is 126750199. The reversal of 126750161 is 161057621.

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

It is a cyclic number.

It is not a de Polignac number, because 126750161 - 2² = 126750157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126750101) 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, 54131 + ... + 56423.

It is an arithmetic number, because the mean of its divisors is an integer number (15993768).

Almost surely, 2^126750161 is an apocalyptic number.

It is an amenable number.

126750161 is a deficient number, since it is larger than the sum of its proper divisors (1199983).

126750161 is a wasteful number, since it uses less digits than its factorization.

126750161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 126750161 is about 11258.3373994565. The cubic root of 126750161 is about 502.3227410395.

The spelling of 126750161 in words is "one hundred twenty-six million, seven hundred fifty thousand, one hundred sixty-one".