1204153530 has 32 divisors (see below), whose sum is σ = 2968078464. Its totient is φ = 312428736.

The previous prime is 1204153529. The next prime is 1204153543. The reversal of 1204153530 is 353514021.

It is a super-3 number, since 3×1204153530³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1204153530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541302 + ... + 543521.

It is an arithmetic number, because the mean of its divisors is an integer number (92752452).

Almost surely, 2^1204153530 is an apocalyptic number.

1204153530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1204153530 is an abundant number, since it is smaller than the sum of its proper divisors (1763924934).

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

1204153530 is a wasteful number, since it uses less digits than its factorization.

1204153530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084870.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1204153530 is about 34700.9154057930. The cubic root of 1204153530 is about 1063.8832085094.

Adding to 1204153530 its reverse (353514021), we get a palindrome (1557667551).

The spelling of 1204153530 in words is "one billion, two hundred four million, one hundred fifty-three thousand, five hundred thirty".