1230541555 has 8 divisors (see below), whose sum is σ = 1554368400. Its totient is φ = 932620896.

The previous prime is 1230541493. The next prime is 1230541589. The reversal of 1230541555 is 5551450321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1230541555 - 2¹³ = 1230533363 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6476440 + ... + 6476629.

It is an arithmetic number, because the mean of its divisors is an integer number (194296050).

Almost surely, 2^1230541555 is an apocalyptic number.

1230541555 is a deficient number, since it is larger than the sum of its proper divisors (323826845).

1230541555 is a wasteful number, since it uses less digits than its factorization.

1230541555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12953093.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1230541555 is about 35079.0757432404. The cubic root of 1230541555 is about 1071.5984944169.

Adding to 1230541555 its reverse (5551450321), we get a palindrome (6781991876).

It can be divided in two parts, 123054 and 1555, that added together give a square (124609 = 353²).

The spelling of 1230541555 in words is "one billion, two hundred thirty million, five hundred forty-one thousand, five hundred fifty-five".