1238201445 has 16 divisors (see below), whose sum is σ = 2133516672. Its totient is φ = 609576000.

The previous prime is 1238201431. The next prime is 1238201453. The reversal of 1238201445 is 5441028321.

It is not a de Polignac number, because 1238201445 - 2¹⁰ = 1238200421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3174681 + ... + 3175070.

It is an arithmetic number, because the mean of its divisors is an integer number (133344792).

Almost surely, 2^1238201445 is an apocalyptic number.

1238201445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1238201445 is a deficient number, since it is larger than the sum of its proper divisors (895315227).

1238201445 is a wasteful number, since it uses less digits than its factorization.

1238201445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6349772.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 1238201445 is about 35188.0866913789. The cubic root of 1238201445 is about 1073.8173964526.

Adding to 1238201445 its reverse (5441028321), we get a palindrome (6679229766).

The spelling of 1238201445 in words is "one billion, two hundred thirty-eight million, two hundred one thousand, four hundred forty-five".