126033261 has 16 divisors (see below), whose sum is σ = 175620480. Its totient is φ = 80245440.

The previous prime is 126033253. The next prime is 126033269. The reversal of 126033261 is 162330621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (126033253) and next prime (126033269).

It is not a de Polignac number, because 126033261 - 2³ = 126033253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126033269) 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, 69555 + ... + 71343.

It is an arithmetic number, because the mean of its divisors is an integer number (10976280).

Almost surely, 2^126033261 is an apocalyptic number.

It is an amenable number.

126033261 is a deficient number, since it is larger than the sum of its proper divisors (49587219).

126033261 is a wasteful number, since it uses less digits than its factorization.

126033261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 126033261 is about 11226.4536252549. The cubic root of 126033261 is about 501.3739026584.

Adding to 126033261 its reverse (162330621), we get a palindrome (288363882).

The spelling of 126033261 in words is "one hundred twenty-six million, thirty-three thousand, two hundred sixty-one".