1202040145 has 16 divisors (see below), whose sum is σ = 1506510720. Its totient is φ = 918998784.

The previous prime is 1202040139. The next prime is 1202040209. The reversal of 1202040145 is 5410402021.

It is a cyclic number.

It is not a de Polignac number, because 1202040145 - 2¹⁵ = 1202007377 is a prime.

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, 145126 + ... + 153184.

It is an arithmetic number, because the mean of its divisors is an integer number (94156920).

Almost surely, 2^1202040145 is an apocalyptic number.

It is an amenable number.

1202040145 is a deficient number, since it is larger than the sum of its proper divisors (304470575).

1202040145 is a wasteful number, since it uses less digits than its factorization.

1202040145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9384.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1202040145 is about 34670.4506027828. The cubic root of 1202040145 is about 1063.2604442153.

Adding to 1202040145 its reverse (5410402021), we get a palindrome (6612442166).

The spelling of 1202040145 in words is "one billion, two hundred two million, forty thousand, one hundred forty-five".