1225440059 has 2 divisors, whose sum is σ = 1225440060. Its totient is φ = 1225440058.

The previous prime is 1225440001. The next prime is 1225440079. The reversal of 1225440059 is 9500445221.

It is a strong prime.

It is an emirp because it is prime and its reverse (9500445221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1225440059 - 2²⁴ = 1208662843 is a prime.

It is not a weakly prime, because it can be changed into another prime (1225440079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612720029 + 612720030.

It is an arithmetic number, because the mean of its divisors is an integer number (612720030).

Almost surely, 2^1225440059 is an apocalyptic number.

1225440059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225440059 is an equidigital number, since it uses as much as digits as its factorization.

1225440059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1225440059 is about 35006.2859926614. The cubic root of 1225440059 is about 1070.1155897486.

The spelling of 1225440059 in words is "one billion, two hundred twenty-five million, four hundred forty thousand, fifty-nine".