1226015245 has 64 divisors (see below), whose sum is σ = 1857816576. Its totient is φ = 756138240.

The previous prime is 1226015233. The next prime is 1226015267. The reversal of 1226015245 is 5425106221.

It is not a de Polignac number, because 1226015245 - 2⁷ = 1226015117 is a prime.

It is a super-2 number, since 2×1226015245² = 3006226761944820050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3993382 + ... + 3993688.

It is an arithmetic number, because the mean of its divisors is an integer number (29028384).

Almost surely, 2^1226015245 is an apocalyptic number.

It is an amenable number.

1226015245 is a deficient number, since it is larger than the sum of its proper divisors (631801331).

1226015245 is a wasteful number, since it uses less digits than its factorization.

1226015245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1226015245 is about 35014.5004962230. The cubic root of 1226015245 is about 1070.2829906276.

The spelling of 1226015245 in words is "one billion, two hundred twenty-six million, fifteen thousand, two hundred forty-five".