1254433161 has 32 divisors (see below), whose sum is σ = 1741017600. Its totient is φ = 802961280.

The previous prime is 1254433139. The next prime is 1254433211. The reversal of 1254433161 is 1613344521.

It is not a de Polignac number, because 1254433161 - 2¹⁴ = 1254416777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1254433121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1648021 + ... + 1648781.

It is an arithmetic number, because the mean of its divisors is an integer number (54406800).

Almost surely, 2^1254433161 is an apocalyptic number.

It is an amenable number.

1254433161 is a deficient number, since it is larger than the sum of its proper divisors (486584439).

1254433161 is a wasteful number, since it uses less digits than its factorization.

1254433161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029.

The product of its digits is 8640, while the sum is 30.

The square root of 1254433161 is about 35417.9779349415. The cubic root of 1254433161 is about 1078.4893032993.

Adding to 1254433161 its reverse (1613344521), we get a palindrome (2867777682).

The spelling of 1254433161 in words is "one billion, two hundred fifty-four million, four hundred thirty-three thousand, one hundred sixty-one".