1071404025 has 12 divisors (see below), whose sum is σ = 1771388112. Its totient is φ = 571415440.

The previous prime is 1071404023. The next prime is 1071404027. The reversal of 1071404025 is 5204041701.

It is an interprime number because it is at equal distance from previous prime (1071404023) and next prime (1071404027).

It is not a de Polignac number, because 1071404025 - 2¹ = 1071404023 is a prime.

It is a super-2 number, since 2×1071404025² = 2295813169572401250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071403986 and 1071404004.

It is not an unprimeable number, because it can be changed into a prime (1071404023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7142619 + ... + 7142768.

It is an arithmetic number, because the mean of its divisors is an integer number (147615676).

Almost surely, 2^1071404025 is an apocalyptic number.

1071404025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1071404025 is a deficient number, since it is larger than the sum of its proper divisors (699984087).

1071404025 is a wasteful number, since it uses less digits than its factorization.

1071404025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14285400 (or 14285395 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 1071404025 is about 32732.3085803614. The cubic root of 1071404025 is about 1023.2562937072.

Adding to 1071404025 its reverse (5204041701), we get a palindrome (6275445726).

The spelling of 1071404025 in words is "one billion, seventy-one million, four hundred four thousand, twenty-five".