1202541503 has 4 divisors (see below), whose sum is σ = 1203288648. Its totient is φ = 1201794360.

The previous prime is 1202541493. The next prime is 1202541541. The reversal of 1202541503 is 3051452021.

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

It is a cyclic number.

It is not a de Polignac number, because 1202541503 - 2⁸ = 1202541247 is a prime.

It is a super-2 number, since 2×1202541503² = 2892212132874998018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202541203) 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, 371153 + ... + 374378.

It is an arithmetic number, because the mean of its divisors is an integer number (300822162).

Almost surely, 2^1202541503 is an apocalyptic number.

1202541503 is a deficient number, since it is larger than the sum of its proper divisors (747145).

1202541503 is an equidigital number, since it uses as much as digits as its factorization.

1202541503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747144.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1202541503 is about 34677.6801848105. The cubic root of 1202541503 is about 1063.4082484951.

Adding to 1202541503 its reverse (3051452021), we get a palindrome (4253993524).

The spelling of 1202541503 in words is "one billion, two hundred two million, five hundred forty-one thousand, five hundred three".