1203148321 has 16 divisors (see below), whose sum is σ = 1257379200. Its totient is φ = 1150307200.

The previous prime is 1203148319. The next prime is 1203148337. The reversal of 1203148321 is 1238413021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1203148321 - 2¹ = 1203148319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203158321) 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, 519915 + ... + 522223.

It is an arithmetic number, because the mean of its divisors is an integer number (78586200).

Almost surely, 2^1203148321 is an apocalyptic number.

It is an amenable number.

1203148321 is a deficient number, since it is larger than the sum of its proper divisors (54230879).

1203148321 is a wasteful number, since it uses less digits than its factorization.

1203148321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1203148321 is about 34686.4284843511. The cubic root of 1203148321 is about 1063.5870882702.

The spelling of 1203148321 in words is "one billion, two hundred three million, one hundred forty-eight thousand, three hundred twenty-one".