1242024245 has 32 divisors (see below), whose sum is σ = 1874707200. Its totient is φ = 767370240.

The previous prime is 1242024241. The next prime is 1242024293. The reversal of 1242024245 is 5424202421.

It is not a de Polignac number, because 1242024245 - 2² = 1242024241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242024241) 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, 29231 + ... + 57779.

It is an arithmetic number, because the mean of its divisors is an integer number (58584600).

Almost surely, 2^1242024245 is an apocalyptic number.

It is an amenable number.

1242024245 is a deficient number, since it is larger than the sum of its proper divisors (632682955).

1242024245 is a wasteful number, since it uses less digits than its factorization.

1242024245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28685.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1242024245 is about 35242.3643503100. The cubic root of 1242024245 is about 1074.9213557034.

Adding to 1242024245 its reverse (5424202421), we get a palindrome (6666226666).

The spelling of 1242024245 in words is "one billion, two hundred forty-two million, twenty-four thousand, two hundred forty-five".