1254215042 has 16 divisors (see below), whose sum is σ = 1981074240. Its totient is φ = 593881488.

The previous prime is 1254215041. The next prime is 1254215059. The reversal of 1254215042 is 2405124521.

It is not an unprimeable number, because it can be changed into a prime (1254215041) 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 7 ways as a sum of consecutive naturals, for example, 148148 + ... + 156384.

It is an arithmetic number, because the mean of its divisors is an integer number (123817140).

Almost surely, 2^1254215042 is an apocalyptic number.

1254215042 is a deficient number, since it is larger than the sum of its proper divisors (726859198).

1254215042 is a wasteful number, since it uses less digits than its factorization.

1254215042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12265.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1254215042 is about 35414.8985880237. The cubic root of 1254215042 is about 1078.4267909627.

Adding to 1254215042 its reverse (2405124521), we get a palindrome (3659339563).

The spelling of 1254215042 in words is "one billion, two hundred fifty-four million, two hundred fifteen thousand, forty-two".