1201253402 has 16 divisors (see below), whose sum is σ = 1835151552. Its totient is φ = 589609440.

The previous prime is 1201253377. The next prime is 1201253437. The reversal of 1201253402 is 2043521021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14933 + ... + 51239.

It is an arithmetic number, because the mean of its divisors is an integer number (114696972).

Almost surely, 2^1201253402 is an apocalyptic number.

1201253402 is a deficient number, since it is larger than the sum of its proper divisors (633898150).

1201253402 is a wasteful number, since it uses less digits than its factorization.

1201253402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36613.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1201253402 is about 34659.1027292975. The cubic root of 1201253402 is about 1063.0284233236.

Adding to 1201253402 its reverse (2043521021), we get a palindrome (3244774423).

The spelling of 1201253402 in words is "one billion, two hundred one million, two hundred fifty-three thousand, four hundred two".