1228246251 has 8 divisors (see below), whose sum is σ = 1694132880. Its totient is φ = 790595232.

The previous prime is 1228246249. The next prime is 1228246273. The reversal of 1228246251 is 1526428221.

1228246251 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1228246251 - 2¹ = 1228246249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1228246291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7058800 + ... + 7058973.

It is an arithmetic number, because the mean of its divisors is an integer number (211766610).

Almost surely, 2^1228246251 is an apocalyptic number.

1228246251 is a deficient number, since it is larger than the sum of its proper divisors (465886629).

1228246251 is a wasteful number, since it uses less digits than its factorization.

1228246251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14117805.

The product of its digits is 15360, while the sum is 33.

The square root of 1228246251 is about 35046.3443314706. The cubic root of 1228246251 is about 1070.9318028031.

The spelling of 1228246251 in words is "one billion, two hundred twenty-eight million, two hundred forty-six thousand, two hundred fifty-one".