1201457630 has 8 divisors (see below), whose sum is σ = 2162623752. Its totient is φ = 480583048.

The previous prime is 1201457627. The next prime is 1201457639. The reversal of 1201457630 is 367541021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1201457593 and 1201457602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201457639) 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, 60072872 + ... + 60072891.

It is an arithmetic number, because the mean of its divisors is an integer number (270327969).

Almost surely, 2^1201457630 is an apocalyptic number.

1201457630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201457630 is a deficient number, since it is larger than the sum of its proper divisors (961166122).

1201457630 is a wasteful number, since it uses less digits than its factorization.

1201457630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120145770.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1201457630 is about 34662.0488430791. The cubic root of 1201457630 is about 1063.0886625888.

Adding to 1201457630 its reverse (367541021), we get a palindrome (1568998651).

The spelling of 1201457630 in words is "one billion, two hundred one million, four hundred fifty-seven thousand, six hundred thirty".