1254240052 has 12 divisors (see below), whose sum is σ = 2363760196. Its totient is φ = 578880000.

The previous prime is 1254240041. The next prime is 1254240077. The reversal of 1254240052 is 2500424521.

It can be written as a sum of positive squares in 2 ways, for example, as 337603876 + 916636176 = 18374^2 + 30276^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1254239999 and 1254240026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12059949 + ... + 12060052.

Almost surely, 2^1254240052 is an apocalyptic number.

It is an amenable number.

1254240052 is a deficient number, since it is larger than the sum of its proper divisors (1109520144).

1254240052 is a wasteful number, since it uses less digits than its factorization.

1254240052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24120018 (or 24120016 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1254240052 is about 35415.2516862439. The cubic root of 1254240052 is about 1078.4339591314.

Adding to 1254240052 its reverse (2500424521), we get a palindrome (3754664573).

The spelling of 1254240052 in words is "one billion, two hundred fifty-four million, two hundred forty thousand, fifty-two".