1201630254 has 32 divisors (see below), whose sum is σ = 2712147840. Its totient is φ = 351573600.

The previous prime is 1201630253. The next prime is 1201630273. The reversal of 1201630254 is 4520361021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201630253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311992 + ... + 315819.

It is an arithmetic number, because the mean of its divisors is an integer number (84754620).

Almost surely, 2^1201630254 is an apocalyptic number.

1201630254 is an abundant number, since it is smaller than the sum of its proper divisors (1510517586).

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

1201630254 is a wasteful number, since it uses less digits than its factorization.

1201630254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627856.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1201630254 is about 34664.5388545701. The cubic root of 1201630254 is about 1063.1395745878.

Adding to 1201630254 its reverse (4520361021), we get a palindrome (5721991275).

The spelling of 1201630254 in words is "one billion, two hundred one million, six hundred thirty thousand, two hundred fifty-four".