1226016001 has 16 divisors (see below), whose sum is σ = 1431198720. Its totient is φ = 1028558160.

The previous prime is 1226015953. The next prime is 1226016007. The reversal of 1226016001 is 1006106221.

It is not a de Polignac number, because 1226016001 - 2¹⁷ = 1225884929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1226016001.

It is not an unprimeable number, because it can be changed into a prime (1226016007) 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, 60210 + ... + 77956.

It is an arithmetic number, because the mean of its divisors is an integer number (89449920).

Almost surely, 2^1226016001 is an apocalyptic number.

It is an amenable number.

1226016001 is a deficient number, since it is larger than the sum of its proper divisors (205182719).

1226016001 is a wasteful number, since it uses less digits than its factorization.

1226016001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17964.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1226016001 is about 35014.5112917487. The cubic root of 1226016001 is about 1070.2832106178.

The spelling of 1226016001 in words is "one billion, two hundred twenty-six million, sixteen thousand, one".