1225050492 has 12 divisors (see below), whose sum is σ = 2858451176. Its totient is φ = 408350160.

The previous prime is 1225050487. The next prime is 1225050499. The reversal of 1225050492 is 2940505221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225050499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51043759 + ... + 51043782.

Almost surely, 2^1225050492 is an apocalyptic number.

1225050492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1225050492 is an abundant number, since it is smaller than the sum of its proper divisors (1633400684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225050492 is a wasteful number, since it uses less digits than its factorization.

1225050492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102087548 (or 102087546 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1225050492 is about 35000.7213068531. The cubic root of 1225050492 is about 1070.0021812632.

The spelling of 1225050492 in words is "one billion, two hundred twenty-five million, fifty thousand, four hundred ninety-two".