1228597530 has 32 divisors (see below), whose sum is σ = 2957408064. Its totient is φ = 326651136.

The previous prime is 1228597501. The next prime is 1228597537. The reversal of 1228597530 is 357958221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1228597537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50652 + ... + 70871.

It is an arithmetic number, because the mean of its divisors is an integer number (92419002).

Almost surely, 2^1228597530 is an apocalyptic number.

1228597530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1228597530 is an abundant number, since it is smaller than the sum of its proper divisors (1728810534).

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

1228597530 is a wasteful number, since it uses less digits than its factorization.

1228597530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121870.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 1228597530 is about 35051.3556085924. The cubic root of 1228597530 is about 1071.0338887363.

The spelling of 1228597530 in words is "one billion, two hundred twenty-eight million, five hundred ninety-seven thousand, five hundred thirty".