1226720150 has 12 divisors (see below), whose sum is σ = 2281699572. Its totient is φ = 490688040.

The previous prime is 1226720147. The next prime is 1226720191. The reversal of 1226720150 is 510276221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12267152 + ... + 12267251.

It is an arithmetic number, because the mean of its divisors is an integer number (190141631).

Almost surely, 2^1226720150 is an apocalyptic number.

1226720150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1226720150 is a deficient number, since it is larger than the sum of its proper divisors (1054979422).

1226720150 is a wasteful number, since it uses less digits than its factorization.

1226720150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24534415 (or 24534410 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1226720150 is about 35024.5649509027. The cubic root of 1226720150 is about 1070.4880732559.

Adding to 1226720150 its reverse (510276221), we get a palindrome (1736996371).

The spelling of 1226720150 in words is "one billion, two hundred twenty-six million, seven hundred twenty thousand, one hundred fifty".