1499271228 has 576 divisors, whose sum is σ = 5434060800. Its totient is φ = 352719360.

The previous prime is 1499271223. The next prime is 1499271251. The reversal of 1499271228 is 8221729941.

Its product of digits (145152) is a multiple of the sum of its prime divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1499271223) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 40520826 + ... + 40520862.

Almost surely, 2^1499271228 is an apocalyptic number.

1499271228 is a gapful number since it is divisible by the number (18) 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 1499271228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2717030400).

1499271228 is an abundant number, since it is smaller than the sum of its proper divisors (3934789572).

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

1499271228 is a wasteful number, since it uses less digits than its factorization.

1499271228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 112 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 1499271228 is about 38720.4239129687. The cubic root of 1499271228 is about 1144.5288268137.

The spelling of 1499271228 in words is "one billion, four hundred ninety-nine million, two hundred seventy-one thousand, two hundred twenty-eight".