126041761 has 4 divisors (see below), whose sum is σ = 126065812. Its totient is φ = 126017712.

The previous prime is 126041731. The next prime is 126041767. The reversal of 126041761 is 167140621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 167140621 = 461 ⋅362561.

It can be written as a sum of positive squares in 2 ways, for example, as 31854736 + 94187025 = 5644^2 + 9705^2 .

It is a cyclic number.

It is not a de Polignac number, because 126041761 - 2⁹ = 126041249 is a prime.

It is a super-2 number, since 2×126041761² = 31773051031962242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126041767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450 + ... + 15883.

It is an arithmetic number, because the mean of its divisors is an integer number (31516453).

Almost surely, 2^126041761 is an apocalyptic number.

It is an amenable number.

126041761 is a deficient number, since it is larger than the sum of its proper divisors (24051).

126041761 is an equidigital number, since it uses as much as digits as its factorization.

126041761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24050.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 126041761 is about 11226.8321890015. The cubic root of 126041761 is about 501.3851737106.

It can be divided in two parts, 12604 and 1761, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 126041761 in words is "one hundred twenty-six million, forty-one thousand, seven hundred sixty-one".