1230154 has 16 divisors (see below), whose sum is σ = 1979208. Its totient is φ = 571392.

The previous prime is 1230127. The next prime is 1230167. The reversal of 1230154 is 4510321.

It can be written as a sum of positive squares in 4 ways, for example, as 1155625 + 74529 = 1075^2 + 273^2 .

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, 3112 + ... + 3484.

2^1230154 is an apocalyptic number.

1230154 is a deficient number, since it is larger than the sum of its proper divisors (749054).

1230154 is a wasteful number, since it uses less digits than its factorization.

1230154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1230154 is about 1109.1230770298. The cubic root of 1230154 is about 107.1485983802.

Adding to 1230154 its reverse (4510321), we get a palindrome (5740475).

It can be divided in two parts, 1230 and 154, that multiplied together give a triangular number (189420 = T₆₁₅).

The spelling of 1230154 in words is "one million, two hundred thirty thousand, one hundred fifty-four".