1042225155 has 24 divisors (see below), whose sum is σ = 1826828640. Its totient is φ = 549605760.

The previous prime is 1042225153. The next prime is 1042225157. The reversal of 1042225155 is 5515222401.

It is an interprime number because it is at equal distance from previous prime (1042225153) and next prime (1042225157).

It is not a de Polignac number, because 1042225155 - 2¹ = 1042225153 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (1042225153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126111 + ... + 134120.

It is an arithmetic number, because the mean of its divisors is an integer number (76117860).

Almost surely, 2^1042225155 is an apocalyptic number.

1042225155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1042225155 is a deficient number, since it is larger than the sum of its proper divisors (784603485).

1042225155 is a wasteful number, since it uses less digits than its factorization.

1042225155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260331 (or 260328 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1042225155 is about 32283.5121230637. The cubic root of 1042225155 is about 1013.8814649671.

Adding to 1042225155 its reverse (5515222401), we get a palindrome (6557447556).

The spelling of 1042225155 in words is "one billion, forty-two million, two hundred twenty-five thousand, one hundred fifty-five".