1266441407 has 32 divisors (see below), whose sum is σ = 1626739200. Its totient is φ = 977303040.

The previous prime is 1266441391. The next prime is 1266441427. The reversal of 1266441407 is 7041446621.

It is not a de Polignac number, because 1266441407 - 2⁴ = 1266441391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266441427) 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, 402143 + ... + 405279.

It is an arithmetic number, because the mean of its divisors is an integer number (50835600).

Almost surely, 2^1266441407 is an apocalyptic number.

1266441407 is a deficient number, since it is larger than the sum of its proper divisors (360297793).

1266441407 is a wasteful number, since it uses less digits than its factorization.

1266441407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276 (or 3262 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 1266441407 is about 35587.0960742795. The cubic root of 1266441407 is about 1081.9197129516.

The spelling of 1266441407 in words is "one billion, two hundred sixty-six million, four hundred forty-one thousand, four hundred seven".