1501231266 has 32 divisors (see below), whose sum is σ = 3426238080. Its totient is φ = 486885168.

The previous prime is 1501231261. The next prime is 1501231271. The reversal of 1501231266 is 6621321051.

It is an interprime number because it is at equal distance from previous prime (1501231261) and next prime (1501231271).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1501231261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373686 + ... + 377681.

It is an arithmetic number, because the mean of its divisors is an integer number (107069940).

Almost surely, 2^1501231266 is an apocalyptic number.

1501231266 is an abundant number, since it is smaller than the sum of its proper divisors (1925006814).

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

1501231266 is a wasteful number, since it uses less digits than its factorization.

1501231266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751415 (or 751409 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1501231266 is about 38745.7257771744. The cubic root of 1501231266 is about 1145.0273674993.

The spelling of 1501231266 in words is "one billion, five hundred one million, two hundred thirty-one thousand, two hundred sixty-six".