1072155004 has 12 divisors (see below), whose sum is σ = 1877747200. Its totient is φ = 535655808.

The previous prime is 1072155001. The next prime is 1072155011. The reversal of 1072155004 is 4005512701.

It is a super-2 number, since 2×1072155004² = 2299032705204480032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1072155004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072155001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99669 + ... + 109900.

Almost surely, 2^1072155004 is an apocalyptic number.

It is an amenable number.

1072155004 is a deficient number, since it is larger than the sum of its proper divisors (805592196).

1072155004 is a wasteful number, since it uses less digits than its factorization.

1072155004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210852 (or 210850 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 1072155004 is about 32743.7780959986. The cubic root of 1072155004 is about 1023.4953148105.

Adding to 1072155004 its reverse (4005512701), we get a palindrome (5077667705).

The spelling of 1072155004 in words is "one billion, seventy-two million, one hundred fifty-five thousand, four".