1266232461 has 32 divisors (see below), whose sum is σ = 1857999360. Its totient is φ = 762338304.

The previous prime is 1266232439. The next prime is 1266232469. The reversal of 1266232461 is 1642326621.

1266232461 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1266232461 - 2¹³ = 1266224269 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266232469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346335 + ... + 349971.

It is an arithmetic number, because the mean of its divisors is an integer number (58062480).

Almost surely, 2^1266232461 is an apocalyptic number.

It is an amenable number.

1266232461 is a deficient number, since it is larger than the sum of its proper divisors (591766899).

1266232461 is a wasteful number, since it uses less digits than its factorization.

1266232461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845.

The product of its digits is 20736, while the sum is 33.

The square root of 1266232461 is about 35584.1602542480. The cubic root of 1266232461 is about 1081.8602088881.

The spelling of 1266232461 in words is "one billion, two hundred sixty-six million, two hundred thirty-two thousand, four hundred sixty-one".