1241250765 has 16 divisors (see below), whose sum is σ = 2011142400. Its totient is φ = 653620032.

The previous prime is 1241250749. The next prime is 1241250793. The reversal of 1241250765 is 5670521421.

It is not a de Polignac number, because 1241250765 - 2⁴ = 1241250749 is a prime.

It is a super-2 number, since 2×1241250765² = 3081406923226170450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522550 + ... + 524919.

It is an arithmetic number, because the mean of its divisors is an integer number (125696400).

Almost surely, 2^1241250765 is an apocalyptic number.

1241250765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1241250765 is a deficient number, since it is larger than the sum of its proper divisors (769891635).

1241250765 is a wasteful number, since it uses less digits than its factorization.

1241250765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047556.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 1241250765 is about 35231.3889167032. The cubic root of 1241250765 is about 1074.6981708967.

The spelling of 1241250765 in words is "one billion, two hundred forty-one million, two hundred fifty thousand, seven hundred sixty-five".