1042542250 has 64 divisors (see below), whose sum is σ = 2019064320. Its totient is φ = 402849600.

The previous prime is 1042542233. The next prime is 1042542251. The reversal of 1042542250 is 522452401.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1042542251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 974716 + ... + 975784.

It is an arithmetic number, because the mean of its divisors is an integer number (31547880).

Almost surely, 2^1042542250 is an apocalyptic number.

1042542250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042542250 is a deficient number, since it is larger than the sum of its proper divisors (976522070).

1042542250 is a wasteful number, since it uses less digits than its factorization.

1042542250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1206 counting only the distinct ones).

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

The square root of 1042542250 is about 32288.4228478258. The cubic root of 1042542250 is about 1013.9842783698.

Adding to 1042542250 its reverse (522452401), we get a palindrome (1564994651).

The spelling of 1042542250 in words is "one billion, forty-two million, five hundred forty-two thousand, two hundred fifty".