1011046725 has 72 divisors (see below), whose sum is σ = 2011418880. Its totient is φ = 497689920.

The previous prime is 1011046723. The next prime is 1011046727. The reversal of 1011046725 is 5276401101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1011046723) and next prime (1011046727).

It is not a de Polignac number, because 1011046725 - 2¹ = 1011046723 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011046721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 109644 + ... + 118506.

Almost surely, 2^1011046725 is an apocalyptic number.

1011046725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1011046725 is a deficient number, since it is larger than the sum of its proper divisors (1000372155).

1011046725 is a wasteful number, since it uses less digits than its factorization.

1011046725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8908 (or 8884 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 1011046725 is about 31796.9609396873. The cubic root of 1011046725 is about 1003.6687653670.

Adding to 1011046725 its reverse (5276401101), we get a palindrome (6287447826).

The spelling of 1011046725 in words is "one billion, eleven million, forty-six thousand, seven hundred twenty-five".