1204234545 has 24 divisors (see below), whose sum is σ = 1960070976. Its totient is φ = 631345312.

The previous prime is 1204234543. The next prime is 1204234547. The reversal of 1204234545 is 5454324021.

It is an interprime number because it is at equal distance from previous prime (1204234543) and next prime (1204234547).

It is not a de Polignac number, because 1204234545 - 2¹ = 1204234543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1204234543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40684 + ... + 63746.

It is an arithmetic number, because the mean of its divisors is an integer number (81669624).

Almost surely, 2^1204234545 is an apocalyptic number.

1204234545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1204234545 is a deficient number, since it is larger than the sum of its proper divisors (755836431).

1204234545 is an equidigital number, since it uses as much as digits as its factorization.

1204234545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23189 (or 23130 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1204234545 is about 34702.0827184767. The cubic root of 1204234545 is about 1063.9070671960.

Adding to 1204234545 its reverse (5454324021), we get a palindrome (6658558566).

The spelling of 1204234545 in words is "one billion, two hundred four million, two hundred thirty-four thousand, five hundred forty-five".