1072150403 has 4 divisors (see below), whose sum is σ = 1072936080. Its totient is φ = 1071364728.

The previous prime is 1072150397. The next prime is 1072150421. The reversal of 1072150403 is 3040512701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1072150403 is a prime.

It is a super-2 number, since 2×1072150403² = 2299012973306124818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072150463) 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, 390788 + ... + 393521.

It is an arithmetic number, because the mean of its divisors is an integer number (268234020).

Almost surely, 2^1072150403 is an apocalyptic number.

1072150403 is a deficient number, since it is larger than the sum of its proper divisors (785677).

1072150403 is an equidigital number, since it uses as much as digits as its factorization.

1072150403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785676.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1072150403 is about 32743.7078383008. The cubic root of 1072150403 is about 1023.4938507471.

The spelling of 1072150403 in words is "one billion, seventy-two million, one hundred fifty thousand, four hundred three".