1227386496 has 384 divisors, whose sum is σ = 4082823360. Its totient is φ = 325140480.

The previous prime is 1227386477. The next prime is 1227386507. The reversal of 1227386496 is 6946837221.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×1227386496² = 3012955221126316032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 47 ways as a sum of consecutive naturals, for example, 28543851 + ... + 28543893.

Almost surely, 2^1227386496 is an apocalyptic number.

1227386496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1227386496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2041411680).

1227386496 is an abundant number, since it is smaller than the sum of its proper divisors (2855436864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1227386496 is a wasteful number, since it uses less digits than its factorization.

1227386496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 133 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 1227386496 is about 35034.0762115972. The cubic root of 1227386496 is about 1070.6818654392.

The spelling of 1227386496 in words is "one billion, two hundred twenty-seven million, three hundred eighty-six thousand, four hundred ninety-six".