1011255740 has 24 divisors (see below), whose sum is σ = 2316695472. Its totient is φ = 367729280.

The previous prime is 1011255709. The next prime is 1011255767. The reversal of 1011255740 is 475521101.

1011255740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2298089 + ... + 2298528.

It is an arithmetic number, because the mean of its divisors is an integer number (96528978).

Almost surely, 2^1011255740 is an apocalyptic number.

1011255740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011255740 is an abundant number, since it is smaller than the sum of its proper divisors (1305439732).

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

1011255740 is a wasteful number, since it uses less digits than its factorization.

1011255740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596637 (or 4596635 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 1011255740 is about 31800.2474833137. The cubic root of 1011255740 is about 1003.7379238498.

Adding to 1011255740 its reverse (475521101), we get a palindrome (1486776841).

The spelling of 1011255740 in words is "one billion, eleven million, two hundred fifty-five thousand, seven hundred forty".