1225500254 has 16 divisors (see below), whose sum is σ = 2006711280. Its totient is φ = 556671360.

The previous prime is 1225500253. The next prime is 1225500271. The reversal of 1225500254 is 4520055221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225500253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16232 + ... + 52100.

It is an arithmetic number, because the mean of its divisors is an integer number (125419455).

Almost surely, 2^1225500254 is an apocalyptic number.

1225500254 is a deficient number, since it is larger than the sum of its proper divisors (781211026).

1225500254 is a wasteful number, since it uses less digits than its factorization.

1225500254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37435.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1225500254 is about 35007.1457562595. The cubic root of 1225500254 is about 1070.1331112240.

Adding to 1225500254 its reverse (4520055221), we get a palindrome (5745555475).

The spelling of 1225500254 in words is "one billion, two hundred twenty-five million, five hundred thousand, two hundred fifty-four".