1201507040 has 24 divisors (see below), whose sum is σ = 2838560760. Its totient is φ = 480602752.

The previous prime is 1201507037. The next prime is 1201507049. The reversal of 1201507040 is 407051021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201507049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3754550 + ... + 3754869.

It is an arithmetic number, because the mean of its divisors is an integer number (118273365).

Almost surely, 2^1201507040 is an apocalyptic number.

1201507040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201507040 is an abundant number, since it is smaller than the sum of its proper divisors (1637053720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201507040 is an equidigital number, since it uses as much as digits as its factorization.

1201507040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7509434 (or 7509426 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1201507040 is about 34662.7615749236. The cubic root of 1201507040 is about 1063.1032355790.

Adding to 1201507040 its reverse (407051021), we get a palindrome (1608558061).

The spelling of 1201507040 in words is "one billion, two hundred one million, five hundred seven thousand, forty".