1253242054 has 4 divisors (see below), whose sum is σ = 1879863084. Its totient is φ = 626621026.

The previous prime is 1253242051. The next prime is 1253242061. The reversal of 1253242054 is 4502423521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4502423521 = 19 ⋅236969659.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253242051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313310512 + ... + 313310515.

It is an arithmetic number, because the mean of its divisors is an integer number (469965771).

Almost surely, 2^1253242054 is an apocalyptic number.

1253242054 is a deficient number, since it is larger than the sum of its proper divisors (626621030).

1253242054 is an equidigital number, since it uses as much as digits as its factorization.

1253242054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626621029.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1253242054 is about 35401.1589358315. The cubic root of 1253242054 is about 1078.1478468297.

Adding to 1253242054 its reverse (4502423521), we get a palindrome (5755665575).

The spelling of 1253242054 in words is "one billion, two hundred fifty-three million, two hundred forty-two thousand, fifty-four".