1254622042 has 16 divisors (see below), whose sum is σ = 1958245632. Its totient is φ = 602377360.

The previous prime is 1254621997. The next prime is 1254622063. The reversal of 1254622042 is 2402264521.

It is a self number, because there is not a number n which added to its sum of digits gives 1254622042.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120934 + ... + 130897.

It is an arithmetic number, because the mean of its divisors is an integer number (122390352).

Almost surely, 2^1254622042 is an apocalyptic number.

1254622042 is a deficient number, since it is larger than the sum of its proper divisors (703623590).

1254622042 is a wasteful number, since it uses less digits than its factorization.

1254622042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251933.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1254622042 is about 35420.6442911475. The cubic root of 1254622042 is about 1078.5434302472.

Adding to 1254622042 its reverse (2402264521), we get a palindrome (3656886563).

The spelling of 1254622042 in words is "one billion, two hundred fifty-four million, six hundred twenty-two thousand, forty-two".