1266214423 has 8 divisors (see below), whose sum is σ = 1321917408. Its totient is φ = 1210565664.

The previous prime is 1266214403. The next prime is 1266214447. The reversal of 1266214423 is 3244126621.

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 1266214423 - 2¹³ = 1266206231 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 (1266214403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38461 + ... + 63337.

It is an arithmetic number, because the mean of its divisors is an integer number (165239676).

Almost surely, 2^1266214423 is an apocalyptic number.

1266214423 is a deficient number, since it is larger than the sum of its proper divisors (55702985).

1266214423 is a wasteful number, since it uses less digits than its factorization.

1266214423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27113.

The product of its digits is 13824, while the sum is 31.

The square root of 1266214423 is about 35583.9067978770. The cubic root of 1266214423 is about 1081.8550716831.

It can be divided in two parts, 126621 and 4423, that added together give a square (131044 = 362²).

The spelling of 1266214423 in words is "one billion, two hundred sixty-six million, two hundred fourteen thousand, four hundred twenty-three".