1203151403 has 2 divisors, whose sum is σ = 1203151404. Its totient is φ = 1203151402.

The previous prime is 1203151351. The next prime is 1203151493. The reversal of 1203151403 is 3041513021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1203151403 - 2²⁶ = 1136042539 is a prime.

It is not a weakly prime, because it can be changed into another prime (1203151493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601575701 + 601575702.

It is an arithmetic number, because the mean of its divisors is an integer number (601575702).

Almost surely, 2^1203151403 is an apocalyptic number.

1203151403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203151403 is an equidigital number, since it uses as much as digits as its factorization.

1203151403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1203151403 is about 34686.4729109202. The cubic root of 1203151403 is about 1063.5879964354.

Adding to 1203151403 its reverse (3041513021), we get a palindrome (4244664424).

The spelling of 1203151403 in words is "one billion, two hundred three million, one hundred fifty-one thousand, four hundred three".